Plz asnwer all question for brainliest cuz nobody answer all the questions :c

Which element is found in both dna and proteins

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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.