Select the correct answer. In what order do these three organ systems of the human body operate during a reflex arc in response to a stimulus of sharp pain to the hand?
A.
muscular, nervous, skeletal
B.
nervous, muscular, skeletal
C.
skeletal, nervous, muscular
D.
skeletal, muscular, nervous

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood