The sensitivity of the muscle spindle is maintained by __________.

a. What is the name of this structure in the liver? b. What cells make up this structre?

a. Name the part of the pituitary gland that is indicated by the pointer. b. Is this glandular or neural tissue? c. What is one hormone produced by this part of the pituitary gland?

Which formed element is labeled A? What is the function of this formed element?

a. What structure of the small intestine is indicated by the pointer? b. What is the digestive physiological purpose of this structure?

What type of tissues may be controlled at the voluntary and involuntary level and generate both force and movement?

If the location of receptors in a target cell varies based on the chemical messenger’s solubility. Locate receptors for lipophilic messengers in cells.

Name the parts of the heart’s electrical system labeled A, B, C, and D.  

Name the blood vessels labeled E, F, and G.

Which of the following endocrine organs essentially secretes hormones from neurons?