Only 200 out of 2 000, 000 sperm cells reach the ovum. And only one (in exception to very rare cases of two) sperm cells actually participate in the process of fertilization. In comparison, an average female only produces 400 of egg cells during their lifetime, but the eggs cells are significantly larger than sperm cells.
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This the respiratory system!
The major organ of the respiratory system is the lungs, and in the lungs the air gets divided among smaller and smaller tubes at the end of which the oxygen enters and carbon dioxide leaves the blood!
Answer:
All the weight of food we eat can happen in many ways. It can be digested and turned into waste. It can also be turned into body fat. The weight of the food we eat can help give us nutrition and vitamin s.
Explanation:
The weight of food can slightly go away due to food going in to the digestion system and turns into waste.
Apologies if this isn't the best answer.
Answer:
Homeostasis
Explanation:
Homeostasis- state of maintaining a stable internal enviornment despite changing external conditions
