ralec2017 ralec2017

08-06-2018
English

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Which of the following describes how blood helps to maintain homeostasis by working with the immune system?

A: By having white blood cells to attack pathogens
B: By delivering oxygen to cells so they can divide
C: By delivering nutrients from food to cells
D: By carrying waste to the kidneys

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justhicc justhicc

08-06-2018

The answer is A. It's A because when a body is infected by bacteria or viruses, the body must invest a lot of energy to fight off the invaders.

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