Question 1 (1 point)
Which muscles are located in the walls of the heart?

Question 1 options:

skeletal


cardiac


smooth


concentric

Question 2 (1 point)
Which type of contraction involves muscles shortening as they strengthen?

Question 2 options:

concentric


eccentric


isometric


smooth

Question 3 (1 point)
What is the act of muscles tightening and shrinking?

Question 3 options:

eccentric


isometric


contraction


elongation

Question 4 (1 point)
Which type of contraction involves muscles lengthening as they strengthen?

Question 4 options:

concentric


eccentric


isometric


shortening

Question 5 (1 point)
Which type of contraction involves holding muscles still in a particular position?

Question 5 options:

concentric


eccentric


isometric


shortening

Question 6 (1 point)
Which of the body's systems controls growth and development?

Question 6 options:

endocrine


nervous


skeletal


muscular

Question 7 (1 point)
Which field is involved in the study of the muscles and how the body uses them to exercise?

Question 7 options:

biology


physiology


anatomy


chemistry

Question 8 (1 point)
What is a group of cells that uses chemicals to recycle elements in the blood?

Question 8 options:

muscle


gland


hormone


metabolism

Question 9 (1 point)
What chemicals do the glands produce?

Question 9 options:

triglycerides


endorphins


estrogen


hormones

Question 10 (1 point)
What process does the body use to turn food into energy?

Question 10 options:

metabolism


digestive system


stomach


endocrine system
if you can help thank you!!!