What is a structure found in plant cell but not in animal cells

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from