Aperson who's underweight

a. almost always has an eating disorder.
b. has a decreased ability to fight off disease and poor growth.
c. cannot participate in exercise because of an increased risk of injury.
d. will be underweight for the rest of his or her life.

Which two levels of the spine that can undergo flexion and extension?

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

Which of these is a sexual stereotype?