Compare and contrast dominant and recessive genes.

What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin

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.

When were the first laws enacted in the united states to protect farm animal from cruel treatment? select one or more: a. 1480 b. 1792 c. 1828 d. 1886