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Science,English,and math Ⅱ

No.13　17/03/31 06:31
燻し銀三 ( 50代 ♂ Oe38xe ) あ+あ-

【Putting together the functions in the body】

《The system of sex organs》

The women have the womb where a fertilized egg is brought up to be an unborn baby.

《The system of internal secretion》

It's the internal organs which secrete the hormone in the blood. When secreting the hormone,there are the internal organs as target,and the secreting the hormone acts on there alone,it's so to speak,a special order.

《Homeostasis 恒常性》

There is the border between the body and its outside. Taking in necessary things inside the body from the outside and releases unnecessary things outside the body. It's the basic rule. It means that the body wants always to keep a fixed stable situation. For example,the blood pressure is 120,the cardiac rate 80,and the temperature 36.

We call the function which tries to keep the fixed stable situation the maintenance of the homeostasis. If saying it in other words,the body is the system which maintains the homeostasis. The mechanism of the body looks like…