When blood becomes deoxygenated it now travels thru the
to make its way back to the heart and then lungs to pick up more oxygen

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Vena cava also know as (SVC).

Explanation:  Blood provides oxygen and nutrients to the body and removes carbon dioxide and wastes. Oxygen-poor blood returns from the body to the heart through the superior vena cava also know as (SVC) and also inferior vena cava (IVC), these are the two main veins that bring blood back to the heart.

is in the form atp or adenosine triphosphate

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: