HELP PLEASE Which do you think is faster to digest, simple sugars or complex carbohydrates? Explain your answer

Which system revise and send electrical signals throughout the body

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.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment