Of the 5 systems on the spacecraft which one do you think is the most important? Why is it important?( At least 5 paragraph for full credit)

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Vessels draining the myocardium of the heart, open primarily ,into which chamber?