Which of the following activities would most likely be done by a physiologist?

examining a deformed femur bone
using a microscope to count mitochondria in a muscle cell
comparing cardiac tissue between a frog and a human
studying how cardiovascular exercise affects insulin production

What is the only part of your body called that should touch the ball when setting in volleyball?

Asap during the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

Which is the lipid molecule that controls what types of molecules can pass though?