Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
Answer:
Yes. Bacteria and Bacterium is a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease
Answer: Biological Test Biological tests are frequently used to validate the physical and chemical tools or to provide complementary evidence about bioavailability process in a system. From: Chemosphere, 2017
Explanation:
Yw and pls mark ME AS THE BRIANIEST :D