English, 16.12.2019 01:31 reagriffis24

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1.) which part of a sperm cell is responsible for housing the genetic information? a. flagellum b. round head c. mitochondria section d. cell wall

2.) how does the immune system work together with the circulatory system to function properly?

a.
the white blood cells of the immune system fight and destroy pathogens.

b.
pathogens released by immune cells cause increased blood flow to the infection site, which brings other pathogens to the area more quickly.

c.
red blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to fight infection.

d.
the infection site receives oxygen-depleted blood from the circulatory system's arteries, so the immune system works harder.

3.) which best explains what would first happen to a mammal's body if the respiratory system broke down?

a.
cells would not be able to get rid of their waste, which would cause infection.

b.
carbon dioxide would build up and cause the muscles to not be able to move.

c.

the individual would die because of a lack of oxygen.

d.

the organism would be unable to move because it would have no source of carbon dioxide.

Answers: 3

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