Option (a) has a greater chance of being the answer — the respiratory system does take in Oxygen to break down glucose into Carbon dioxide and water vapor, releasing energy.
Your answer would most likely be letter
B. Biosphere
Answer:
b
Explanation: peeps in washington are going crazy.
Heterozygous- a certain gene that can carry two different alleles
Homozygous- a certain gene that carries two copies of the same alleles
Answer:
To produce white blood cells
Explanation: is NOT a function of the liver.