Heat energy gained from muscle contraction is released by the ________ system.
A) integumentary
B) respiratory
C) cardiovascular
D) urinary
E) endocrine
Question 2
How would an elevated level of thyroid hormone in the body affect skeletal muscles?
A) It would stimulate atrophy.
B) It would stimulate hypertrophy.
C) It would stimulate energy use and heat production.
D) It would decrease heat production by muscle tissue.
E) It would cause an increase in muscle mass.