The Biology Lesson 1

By Jamie

Copyright 2023 by Jamie, all rights reserved

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This work is intended for ADULTS ONLY. It may contain depictions of sexual activity involving minors. If you are not of a legal age in your locality to view such material or if such material does not appeal to you, do not read further, and do not save this story.
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The biology lesson.

Inspired by a memoir of a boy’s public school from the 1945-1950s where a teacher of Biology was infamous for getting boys to strip off and stand on the science bench so that he could demonstrate human anatomy.


Week 1

The year 8 girls were excited as today they would be starting the human biology part of the course. The year 8 boys were nervous. The 12 - 13 year olds had all heard of the story that Mrs. Hargreaves selected a boy to stand naked in front of the class so she could demonstrate where organs and bones of the body were. Never a girl always a boy. They were fascinated by this but of course none of them wanted to be that chosen boy.

No one knew if it was just a big hoax or rumor or actually true. The older pupils told tales but then others said it was a school myth. The boys hoped it was the latter.

The biology lab was on the top floor of the school science block, physics at the bottom, chemistry in the middle and biology at the top on the 2nd floor. The class of 20 pupils waited outside . It was the last lesson of the day. 245pm,45 minutes before the end of the day. It was summer warmed the boys and girls were dressed in their uniforms of black trousers/ skirts and white shirts/blouses, the boys with ties. The door opened and Mrs. Hargreaves ushered them in.

“Good afternoon class. Settle down please. Now over the next few weeks we are going to do an in depth look at human biology. That is the human body, we’ve all got one and it is good for you to know it works. So we will cover how the body is made up, we will take a good look at our skeleton over here and see all the bones and how they work we will look at how we breathe, how our muscles work, our need for food etc. The course will then move into sex education part, and this will run alongside the healthy relationships course you will do with Miss Williams and Mr. Jackson. That will take us to the end of term. Any questions?”



“Is it true Miss men gave one less bone in theur body than women?”

“No Charlotte, that is a myth, we all have the same number. Benny or Betty here could be at first sight a male or female skeleton but there is a slight difference but more of that later.”

“Now some of you, probably all of you have heard about a boy being chosen to allow the class to see exactly where the parts and organs of the body are. That is correct, and I will ask a pupil or pupils to be brave enough to allow us to learn from theur bodies. If you are asked I expect you to go along with it. Nothing to be embarrassed about after all we all have a body, and there are only small differences between boys and girls which I’m sure you all know about. She smiled, but this is education and there is more to the human body than meets the eye. Understood?

There was a nervous muted response from the boys and enthusiastic yes from the girls!

“Right let us begin. Let us start by naming as many organs and parts of the body as we can. Who wants to start, yes Jenny?”

“The heart Miss.”

“Excellent the organ that keeps us alive.”

“The stomach.”

“Yes where we digest our food.”

“The tongue Miss.”

“Helps us taste our food amongst other things. What are the other senses?”

“Smell see feel hear.”

And so the class were soon filling up the board with all theur suggestions, all the boys studiously avoiding any mention of the body parts down below until Lauren offered up,

“The willy Miss for boys.”

There was a giggle. “Well yes Lauren but we will yes the correct term in this class which is?”

“The penis Miss.”

“Correct every boy in the class has one along with his testicles.”

Simon put his hand up, "what about breasts Miss."

“Correct and remember you all have them, just that the boys ones don’t develop like girls ones do.”

The time passed quickly, and the boys and girls were learning through participating and a long list of body parts filled the board.

“Well done everyone, it is amazing I’m sure you will agree how many things we have in and on our bodies. From the hair on our heads to the nails on our feet. So much is going on. We can run, jump, pick things up, throw things, we can swim, we can climb, we can speak, hear, see smell and taste. The human body is an amazing thing, and we shall go into more depth next week.”

The class ended and there was a lot of chatter amongst the boys and girls who whilst all were fully engaged in the lesson, few of them had forgotten completely the elephant in the room of some boy being chosen to get naked in front of the class.

The door shut and quiet enveloped Mrs. Hargreaves. Peace at the end of the day. She looked down at the class list musing. The door opened and Miss Simpson joined her, Miss Simpson was a trainee teacher on placement from college, she was excited by learning from Mrs. Hargreaves who was a very experienced teacher.

“Ah Daisy thanks for coming up, how were the year 9s?”

“Good thanks. We did the life cycle of the reptiles. They were really interested.”

“Yes a good group, small in number but all really engaged aren’t they. So next week you will be with me with the year 8 s for the human biology course over the rest of the term. . This us how I run it.....”



Week 2

8 very nervous boys and 12 excited girls waited outside the class room. The girls were wondering if this week they would get to see one of the boys willies, the boys each hoping it wouldn’t be them. The boys were a mixture of developing and pre puberty. Miss Simpson opened the door and ushered the class in. Mrs. Hargreaves introduced Miss Simpson and told them she would be helping with the course until the end of term.

“Right let us begin. Today after last week’s long list of parts of the body we made, we are going to take a look at the interval organs of the body. We listed many of them last week and by the end of the lesson today we will know about the main organs, what their names are and what function they perform inside our body. This includes the heart, lungs ,liver, kidneys, stomach, colon, pancreas, and of course the brain. Anyone want to guess how many organs we have?”

Hands shot up - 10 26, 89, 54. “Close. The answer is 78 or 79.”

“We won’t look at all of them just the major ones. Now I need a body to help with this part. Remember boys, girls what I said last week, this is serious learning, not the time for silliness and your active sensible participation is required. Anyone who is silly will leave the room and be in detention.”

She looked sternly at the class. “Now I’ve chosen those I want to help deliberately because I want to point out certain things. Okay can William come up please.”

There was a hushed gasp from the class as all eyes turned to William an average sized boy in the class, happy, friendly popular. He had a look on his face which could only be described as one of shock.

“Me Miss?” his voice higher than normal squeaked.

“Yes you William. Come out the front please there is nothing to be afraid of.”

All the other boys felt a huge wave of relief and wondered how William woukd cope. Would Mrs. Hargreaves get him completely naked? God how embarrassing. The girls all were to very excited, nudging each other, grinning.

William realised he had no choice and slowly made his way forward and stood beside Mrs. Hargreaves.

“Now children listen carefully and remember what I said last week. William is going to be very brave this afternoon and be our body model so we can learn about the organs of the body. I expect you all to be on your best behaviour understood.”

Miss Simpson although she knew what was planned still was amazed at how this was going and she was very interested to see how Mrs., Hargreaves would teach this. She was also quite interested to see what the boy looked like.

“Now William don’t worry, I would like you to remove all your clothes please and then stand on the box I’ve placed here at the front.”

The boy trembled but pulling out was clearly not an option, so he slowly began to take off his shoes, socks, shirt and then his trousers. He hesitated at that point standing there in his white underpants. The class was quiet 19 pairs of eyes focused on his pants .

“Go on” said Mrs. Hargreavegently.ly

The boy took a deep breath lowered his pants and stepped out of them. Mrs. Hargreaves took his hand and helped him to step up on the big white box and told him to put his arms at his side. All the boys and girls looked at his willy, which was small hairless and resting on top of his tight little ball sack. Now the fact that he was hairless was no surprise as his voice clearly hadn’t broken . The boys of course had all see each other naked in the showers before so there was nothing unusual about seeing William’s willy just the circumstances. The girls on the other hand were fascinated as for some of them it was the first male penis they had ever seen in the flesh.

Now everyone we shall begin. You are being very brave William just try to relax. Let’s get the difficult part over first shall we. As we said last week every boy has a penis and you can all see William’s. It is small, and there is no hair that is because he is a boy, boys mature later than girls and the change can happen anytime between 11 and 14 usually. Now girls who has never before today ever seen a boys penis before.?”

8 put theur hand up.

“Okay so the 4 of you who have seen one, what have you seen?” All them said they had seen their brother's be he younger or older than them.

“Perfectly normal within a family, many boys and girls are of course bathed together when younger. So girls of the 8 of you who never seen one before and you should all thank William for allowing you to see your first one. What do you think about what you are seeing?”

Charlotte said, “well its smaller than I expected Miss.”

Hannah agreed “and i didn’t know the balls, sorry testicles, were under the willy so closely.”

“Well yes they are until puberty Hannah then as they grow they hang down more. Okay enough about the penis , we will cover the sexual organs in much detail later in the course. How are feeling William?”

“Okay he squeaked.”





“Now to the organs of the body. I am going to use a washable pen to draw them on to William’s body so we can all see where they are.”

She started with the heart and soon the boy’s body was covered in shapes denoting where the organs were. Sometimes as she drew Mrs. Hargreaves brushed against his willy causing the boy to shake a little, he was slowly getting used to standing there and tried to concentrate on her words and the information, but it was always there, knowing he was naked in front of the whole class. All the girls could see his willy and although it was just a boys little willy it was his and he felt embarrassed.

For the girls they thought William looked cute, his little willy on show, they wondered what the other boys looked like. That discussion would be had in the girls bathroom later no doubt. For the rest of the boys they felt relieved it wasnt them but realised in another lesson it might be.

Mrs. Hargreaves was coming to the end, she had covered the major organs, any others class ?

“Yes Colin?”

“What about the bladder Miss, you know where our wee comes from.”

“Yes that is a good one Colin. The bladder is a relatively large organ and collects all the waste liquid we don’t need in our body, called urine and when we go to the toilet it comes out of a small hole in the female body and out of the penis in a male body. The bladder is here she drew on William’s body and then it goes down a tube inside the body connecting with the base of the penis and then along he penis and out the end,

As she was saying this she a line straight along William’s willy causing an involuntary erection. His little willy got slightly bigger and pointed up. One of the girls asked why?

All boys and men can get erections at any time, just by touch as I did there by drawing on the shaft of William’s penis or by having sexy thoughts or by many other reasons. It’s all very normal.

“William’s willy looks bigger” said Charlotte.

“Yes it is as the penis gets harder more blood flows into it to cause the stiffening and thus it grows. After a while it will go back to its normal size.”

William stood there blushing red faced. He felt ashamed that he had got an erection, he didn’t know why but felt bad anyway as if it was wrong even though Mrs. Hargreaves said wasnt!

“Right class that’s the lesson finished. Next week we will look at the bones in our body. And a big thank you to William we can all agree he’s been very brave and well done.”

They all gave him a round of applause and he smiled for the first time of the day, his willy having returned to normal size. The class filled out leaving the naked boy with the two teachers.

Miss Simpson if you tale William into the prep room you will find soap flannel and towel. Can you wash him down please and clean off the drawings but first let me take a picture, don’t worry William I won’t include your face.”

Inside the room William was nervous once again as Miss Simpson soaped up the flannel. By way of conversation she asked him if his mother still gave him a bath?

“Yes she does Miss I have one every evening, she washes me clean even though I say I’m old enough to do it myself. She says i must be supervised until I’m a young man. “

Well I’m sure that’s for the best , after all you are still a boy, a very sweet one though. Now William don’t be alarmed just going to wash your willy or shoukd we call it Willy's willy?” The boy giggled.

She washed it with soap and then wiped it clean. “There all done. Let me towel you dry. The now dry boy returned to the classroom to find that Charlotte one of his best friends waiting for him, she smiled,

“All clean then?”

He nodded and hurriedly got dressed. This was one lesson he would not tell his mum about ever!”

“I think you were great. said Charlotte. “We girls think you were very brave as well as cute! Do you want to come round for tea?”

“Yes please” said William glad he was back dressed.












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