Which of the following is true about the stress hormone, cortisol? Select one:

a.
It is produced by the cardiovascular system.

b.
People with PTSD do not produce cortisol.

c.
In excess, it can boost the immune system.

d.
In excess, it can suppress the immune system.

Describe three ways in which technology has treat the flu

When a person on a skateboard decides to perform a short, hard ollie, that would be considered muscular endurance. true false

What is the best way to use the clean water act to address the issue of dirty water and diseases that plague asmall community? a) to report the number of cases of people who havecholera symptomsb) to provide health guidelines about effects from waterborne diseases c) to enforce standards that focus on chemical dischargeinto bodies of waterd) to carry out research that investigates how dirty wateraffects human health