The atria are chambers<span> in which </span>blood<span> enters the heart. They are located on the anterior end of the heart, with one atrium on each side. The right atrium </span>receives <span>deoxygenated </span>blood<span> from systemic circulation through the </span>superior vena cava<span> and</span>inferior venae cavae<span>.</span>
One level is, Awarness
And the second is Unconcious/Subcontious
Hope this is helpfull
Answer:
an object that goes boing boing
Explanation:
because I said so
Photosynthesis stores
energy in organic compounds. This organic compound is glucose. The reactants
that are used by photosynthesis to make this organic compound are the carbon dioxide and water (which are abiotic factors).
Glucose is then used as an energy source
by the plant to power its biological proceses.
