When you cut your hand, it hurts because of the nerves in which part of the body? OA central nervous system OB adjacent nervous system Oc peripheral nervous system alternative nervous system​

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive