Answer:
communication is not the function of skeletal system
Cells are constantly dividing and replacing old or damaged cells.
Answer:
i asked my bro and he just stared at me like "o>O" they do because theres air in there maybe? LOL
Explanation:
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Answer:
the water in the plants veins
Explanation: