What 3 systems get put to work when feeding and how does each one work when you eat?

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

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Which could be a pathway of food through an ecosystem