Question

from what the organ and organ systems are made up of

Answer 1

Answer:

The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.

Answer 2

Answer: many tissues forms an organ, and some organs collectively forms organ system.          explanation

Explanation:

Cells make up tissues, tissues make up organs, and organs make up organ systems.

EXAMPLE- myofibres(muscle cells) make muscular tissues,

                  muscular tissue makes the Heart(organ)

                  WBC RBC and many other cells blood

                   

blood , heart , arteries ,veins, capillaries together makes CIRCULATORY SYSTEM  is an organ system