For some characteristics, such as human height, the
environment interacts with an individual's to influence the phenotype.

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.

Name the glands associated with human digestive system

Are gametes exactly the same? explain why or why not?