Answer:
16
Explanation:
Cells multiply so if at 22 there are 2
at 44 there will be 4
at 66 there will be 8
at 88 there will be 16
Answer: The Pulmonary vein blood vessel carries oxygenated blood from the lungs back to the heart. Therefore, it carries the highest concentration of oxygen.
Explanation: i think is the answer not sure hope it help this question :)
They are found in the body
Liquid.
Earth can sustain life because it contains liquid water.
