Answer:
When you inhale (breathe in).
Explanation:
Air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.
Answer:
Hey there!
These are all polysaccharides.
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Answer:
Main Asteroid Belt
Explanation:
It is known as The main astroid Belt
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Answer:
Complementary base pairing is the phenomenon where in DNA guanine always hydrogen bonds to cytosine and adenine always binds to thymine. The bond between guanine and cytosine shares three hydrogen bonds compared to the A-T bond which always shares two hydrogen bonds.
