Plzzz help I dont understand this

Which of the following is not a product of the second stage of glycosis

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

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist