A class of drug that causes sleepiness

Waste is deposited into in thin layers which are then compacted and covered with soil.

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

Whihc type of medicine kills cancer cells in the body, but also kills healthy cells