In the human body, all body systems work to maintain homeostatsis. one system stands out as a leader, as it works with all other body systems. that is the system.
a. circulatoryb)endocrinec)integumenta ryd)nervous

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.