The materials carried by the circulatory system include which of the following? (1) blood, (2) hormones, (3) oxygen, (4) cellular wastes. a. 1 only b. 1 and 2 c. 1, 2, and 3 d. 1, 2, 3, and 4

The circulatory system carries blood, hormones, oxygen and cellular wastes. The blood is the fluid that flows throughout the circulatory system and it transports oxygen, hormones, and nutrients to the body. Wastes on the other hand are transported away from the body. 

The answer is then D. 1,2,3 and 4. 

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.