Which body system would be a affected by degeneration of cartilage in joints?

a. muscular
b. nervous
c. cardiovascular
d. skeletal
e. lymphatic

Skeletal

Explanation:

The skeletal system would be affected if there is a degeneration of the cartilage in the joints because the joints, bones and cartilages make up the skeletal system.

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.