I don’t know but it’s saying the one a hydrogen and ones water so i think B
which of these levels of biological organization contains the other three:
C) Body System
The structure being described is the tricuspid valve.The right atrium is one of the two atria of the heart which function by receiving blood entering the heart, it is located to the right of the left atrium and superior to the much larger and more muscular right ventricle. Between the right atrium and right ventricle is a one way valve known as the tricuspid valve.
Answer: Two main processes can cause less water to be excreted.- Less water intake Greater need for water in the body. This could include increased food consumption, especially foods containing salts that have to be diluted in the digestion process. Dietary fiber retains more water in the digestive tract until it is finally excreted. ^W^
