plants give off oxygen and take in carbon dioxide and animals take in oxygen and give off carbon dioxide.
Answer:
The circulatory system to provide this oxygen and to remove the waste products of metabolism.The exchange of gases between the blood and tissue cells is internal respiration.
Explanation:
the circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles
hope this helps
Answer:
A
Explanation:
They will all be formed around carbon chains and rings
There are 4 atoms in ammonia.
