Chapter 67

So one day, after school, Cheng Zhiyan was called into the study mysteriously by mother rabbit and his mother.

As soon as he entered the study, he saw a small blackboard on the wall, and mother rabbit and her mother were standing on both sides of the blackboard looking at themselves with mysterious expressions.

"Mom, auntie, call me something?" Cheng Zhiyan looked at them and asked.

"Cough, that what." Cheng Zhiyan's mother coughed a little awkwardly, and then said, "Yan Yan, you have grown up now, and your mother thinks that she should tell you."

"Oh What kind of knowledge? " Cheng Zhiyan went to the small chair in front of the blackboard, sat down and asked casually, "so you called me to give me a lecture today?"

"I think so." Cheng Zhiyan's mother nodded, and then turned her head toward the little rabbit's mother and winked, saying that it was time to start.

Mother rabbit came to the blackboard with a stack of paper in her hand. She pasted them one by one. Then she turned around and said with a smile to Cheng Zhiyan: "Yan Yan, today my aunt will tell you how the baby was born."

Cheng Zhiyan: "it's just

"Cough, my aunt looked through your" health education "textbook two days ago, and found that it didn't write about how to give birth to a baby, so it seems that the school has not taught you this knowledge, so Auntie will explain it to you, how about?" Little rabbit's mother's face is full of smiles, but in fact, her heart is all kinds of flusters. This is the first time in her life that she gives a physiological education class to others!!

"Auntie, please." Cheng Zhiyan sits in a small chair, straightens up and looks at the little rabbit mother standing in front of the small blackboard.

"First of all, let's take a look at the body structure of boys and girls..." Mother rabbit reached out and pointed to the first picture on the blackboard, which showed a naked boy and a little girl in cartoon.

"So After a girl's first period, she means that she has fertility. Before the next one, there will be an ovulation process. Of course, the egg is in the girl's stomach... " Little rabbit's mother wiped the sweat and talked hard to Cheng Zhiyan.

Cheng Zhiyan was silent for a moment, and suddenly raised his hand and said, "Auntie."

"What's wrong with words?" Mother rabbit quickly interrupted her explanation and asked him.

"After ovulation, the secondary oocytes in the second metaphase of meiosis, together with the surrounding zona pellucida and corona radiata, enter the ampulla of the ampulla of the fallopian tube through the abdominal cavity due to the swing of the cilia of the epithelial cells of the fallopian tube and the contraction of the muscular layer. This position should not be generalized as the belly of a girl?" Cheng Zhiyan put forward his own opinions very seriously.

Little rabbit mother, Cheng Zhiyan's mother, was shocked instantly.

After a long time, the little rabbit mother reached out and wiped the sweat on her forehead, and said to Cheng Zhi, "you are You know

"Yes." Cheng Zhiyan nodded calmly.

"But there is no such paragraph in the health education textbook of your school..." Mother rabbit said weakly.

"Auntie, there is a family doctor on your bookshelf. I read it when I was bored." Cheng Zhiyan replied casually.

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