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oxygen
Your cells need oxygen to convert the nutrients you eat into energy for your body. In the process of making that energy, some waste products are produced. One of the main waste products is a gas called carbon dioxide.
Answer = Chance
So, the answer choice is B.
The eyes detect changes in posture and inform the brain about the position of the body, so vision is very important for maintaining balance, in the optic disc nerve fibers leave the eye.
Large organic molecules that are composed of many subunits are known as polymers<span>. Examples of polymers that occur in the human body are proteins, which have amino acids as subunits and polysaccharides (like starch) which have monosaccharides (such as glucose) as repeat units.</span>
The earth is aforce to graval
