Further Adventures in Anatomy (For a Five-Year-Old)

Hasan came to spend the night with me again. He said,”Grandma, will you please tell me more about the body? I’m not confused anymore.”

“No, I think we’ll not study tonight,” I replied, remembering his emotional upset after we’d “studied” last week.

“Where’s the book?” he asked, ran to my room and found the illustrated atlas of anatomy. “Tell me about breathing,” he demanded.

I opened the pages illustrating respiratory anatomy, and told him about how the air goes into the lungs from the nose and/or mouth. I wanted to tell him about oxygen/carbon dioxide exchange in the capillaries, but he interrupted me.

“That’s creepy!” he said.

“Why?” I asked. “I don’t think it’s creepy, I think it’s beautiful.”

“Why is everything red?” he asked.

“The lung is a vascular organ, full of blood vessels.”

“EEWWWEE! That’s soooooo creepy. I don’t want to learn anything more about breathing.”

“OK,” I said, and closed the book.

“Wait!” he said. “If air goes into the throat, how does the body know the difference between air and food?”

That kid amazes me. 

“Well,” I said,”there are two pipes in your neck, one for air and one for food. There’s a door between them, and the body knows when to shut the door, according to whether food or air is coming down.” 

He bent his leg at the knee, and pressed on the joint from the sides. Then he extended the leg and pressed his kneecap. 

“Why does this top part pop up when my leg is straight, but disappears when my leg is bent?”

I showed him the cross-section of the knee joint, and  how the kneecap  appears to slide between the leg bones as the leg is moved. He found that picture fascinating– not too vascular. 

He then said, “Grandma, I need a folder, and some paper. I’m going to learn you how to read and write Arabic.”  

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