According to the big bang theory, the universe began about

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Me with biology endocrine system crossword also image left i need with hw

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f