Which of the Following Are Characteristics of Exercise? (Select All

question 12

Multiple Choice

Which of the following are characteristics of exercise? (Select all that apply.)

• A) Unplanned
• B) Structured
• C) A subset of physical activity
• D) Sporadic
• E) Performed to maintain physical fitness

---

Definitions:

Glycogen

A storage form of glucose found in the liver and muscles of animals, used to store energy.

Liver

A large vital organ in vertebrates involved in numerous metabolic processes, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.

Adrenal Medulla

Inner portion of adrenal gland; secretes epinephrine and norepinephrine.

Epinephrine

A hormone also known as adrenaline, produced mainly by the adrenal glands, playing a central role in the body's 'fight-or-flight' response to stress, increasing heart rate, muscle strength, blood pressure, and sugar metabolism.