Which hormone is secreted by alpha cells of the islets of langerhans of the pancreas?
a. glucose
b. glucagon
c. glucocorticoids
d. glycogen

Which of these is not an intrinsic muscle of the foot? a. quadratus plantae b. abductor digiti minimi c. flexor digitorum brevis d. flexor digitorum longus e. abductor hallucis

Give the names of the following body motions produced by muscle actions: increases the angel of a joint. turns the palm downward. decreases the angle of a joint. points the toes.

What are the advantages of liposomes as a drug delivery system for antimicrobials?