Once again, declan has failed to spike the ball over the net. his volleyball team is getting annoyed with him even though he is great during the rest of the game. which of the following skills should declan work on to improve his ability to spike the ball?
a. speed
b. agility
c. balance
d. power

Name two drugs that work to cause change in the nervous system

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.

What is the total amount of waste dissolved in the plasma and what chemical is it