Essentially, when you breathe in the lung take in oxygen and pass it along to the bloodstream, which brings it to your bodies cells. In return it picks up carbon dioxide, which the lungs dispose of. Every time you breathe this process is happening. That is why it's crucial to keep your lungs healthy.
It's called puberty. The moment in time where a children most likely go from kinda ugly to less ugly. LOL. You are all amazing. !!!!!!
Answer:
D
Explanation:
proteins make up every thing
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
