Answer:
Because they living
Explanation:
If someone is dead and your alive how are yall different your body is working and there's is not
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: Eagles mate sexually.
Explanation: Typically the male eagle mounts and humps the female eagle.
Answer:
Autacoids or "autocoids" are biological factors (molecules) which act like local hormones