Our sleep rhythms are driven by which of the following?*
PLEASE HELP

What does fi stand for in the fitt-vp principle of exercise prescription?

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.