External respiration (correct answer) involves the exchange of oxygen and carbon dioxide within the environment.
The exchange of wastes through the skin is just called excretion by sweating.
There is no exchange of nutrients that occur in the lungs but rather absorption of nutrients is the function of the gastrointestinal tract.
The exchange of oxygen and carbon dioxide within the cell is called cellular respiration and involves carrying oxygen from the blood to the cell then the cell uses it as the final electron acceptor in the electron transport chain. The metabolic wastes of the cell, primarily carbon dioxide, goes now to the bloodstream to be exchanged for oxygen in the lungs.
A part of the destiny of lion was a part
Answer:
it is called a ledgar
Explanation:
Dont really know how to explain but hopefully it's right
As you grow older, you would need to remain physically active to keep a good level of physical fitness.
Answer: T
Would it be b because diseased cells will die.
