Answer:
Higher
Explanation:
Molecules such as oxygen move from a higher concentration to a lower concentration across a semi-permeable membrane. This process is called simple diffusion.
Therefore, for oxygen to leave the alveoli and enter the blood, there would need to be a higher concentration of oxygen inside the alveoli and a lower concentration of oxygen in the blood.
Answer:
Kidney
Explanation:
Nephron is the basic unit of structure in the kidney
It is type A because A and B exhibit incomplete dominance
A. Your leg jumping when it is hit by a reflex hammer
