Two or more "jobs" that must occur
inside of our body so that we stay alive.

Every second of every day, blood delivers vital nutrients, oxygen, and other chemicals to all of your organs. It also carts away your body's waste. They coat germs, making it possible for white blood cells in the bloodstream to kill them. However, the very liquid that keeps you alive can also kill you.

Explanation:

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economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation: