Which of the following is the best reason to rest muscle groups between workouts? a. it allows the muscles to store more energy. b. it allows you to focus on other muscle groups. c. it allows the muscles time to heal. d. it allows the muscles to properly overload.

The best reason to  rest muscle groups between workouts is C. to allow  the muscles time to heal. Rest is an important component of workouts as it rejuvenates your body from stress to another set of work. Rest provides enough time to recuperate and accompany proper nutrition to generate growth.

C) reflection (i also looked up the other choices just to make sure)

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.