Which of the following are not contained inside of human cells? Chromosomes DNA blood genes

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.

The distribution of related animals and plants across the world

In the practice of science, this type of reasoning is used to develop explanations.