In the lungs. The carbon dioxide/oxygen diffuses through the capillaries surrounding the alveoli (grape like structures) in the lungs
Answer:
The first one is A for sure.
Explanation:
Answer:
True
Explanation:
The five major minerals in the human body are calcium, phosphorus, potassium, sodium, and magnesium. All of the remaining elements in a human body are called "trace elements".
When organism adapt there is a greater chance or survival.
The answer is: B