What do kidneys make?
blood
oxygen
urine

Explain why phospholipid molecules form a bilayer. (3 marks)

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.

Wich of the following are manual restraint techniques for dogs