To actually control the color of their skin, cephalopods Use tiny organs in their skin called chromatophores. Each tiny chromatophores is basically a sac filled with pigment, minute muscles tug on the sac, spreading it wide and exposing the colored pigment to any light hitting the skin.
Answer:
Health skills are skills that are important in life and help you to set a healthy body and a good set of mind.
Answer:A
Explanation:These are called Alveoli.They inflate when a person inhales and deflates when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs.
