Answer:
The lungs
Explanation:
The lungs in your body get filled up with air when you inhale. There are blood vessels around the alveoli in your lungs (which are tiny air sacs that hold the air). The blood vessels absorb the oxygen in a process called diffusion where gas diffuses through the one cell thick wall of the alveoli into the blood vessels. The circulatory system then pumps the blood around your body to the cells that need the oxygen.
Answer:
because they r
Explanation:
In the particular case of motion, a reference point is a stationary point in space. ... A reference point is important in determining motion because in order to say that something is moving, you need to have something stationary to compare it to.
71 percent of this planet is covered by water, mostly because of our oceans.
Glycolysis. In glycolysis, glucose—a six-carbon sugar—undergoes a series of chemical transformations. In the end, it gets converted into two molecules of pyruvate, a three-carbon organic molecule.
A , A sustainable resource is not available in very small amounts