For adult it is 30:2 and for children it is 15:2
Answer:
carbon dioxide passes from the blood into the alveoli and is then exhaled. Oxygenated blood travels from the lungs through the pulmonary veins and the cycle goes on every time you breath or inhale you inhale oxygen into your blood cells.
Explanation:
If the cell membrane did not allow nutrients to pass through, the nucleus would be unable to send out instructions. Additionally, the mitochondria is the powerhouse of the cell.
It’s considered a Gene hope this helps you
