HUMAN NUTRITION

NUTRITION

THE HUMAN BODY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best compares the respiratory system to the circulatory system?
A
The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.
B
The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells.
C
The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
D
The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.
Explanation: 

Detailed explanation-1: -This is called external respiration. The blood transports the gases to and from the tissue cells. The exchange of gases between the blood and tissue cells is internal respiration. Finally, the cells utilize the oxygen for their specific activities: this is called cellular metabolism, or cellular respiration.

Detailed explanation-2: -Which best compares the respiratory system to the circulatory system? The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.

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