The ? nerves control the muscles in the arms, shoulders, and neck.

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.

The table below describes two main types of exercise. type of exercise example {empty example} jogging anaerobic | {example for anaerobic} lifting weights in your answer, determine which term belongs in the blank to complete the table. then describe what this type of exercise strengthens and another example of this type of exercise.

What are malignant tumors? a. tumors that grow slowly and do not spread from their original site b. tumors that grow fast and spread to neighboring tissues c. tumors that start in blood-forming tissue and produce abnormal blood cells