Describe what you observe in
the petri dish
What is Petri dish

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

The transport tubes for food coming down the plants are called?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food