An earthworm has a complete digestive system. How does the earthworm remove undigested food? A. It uses the same opening in whic
h the food was taken in. B. The waste diffuses out through the skin. C. Waste is removed through a designated opening. D. Tentacles are used to remove the waste.
Neurone is also known as nerve cell. It is the basic unit of the nervous system, and helps to transmits/ conducts nerve impulses from the brain to the body or vice versa.
