Yes,oxygen-rich blood is carried through pulmonary arteries from the lungs to the heart.
Answer:
<em>I think the answer might be oxygen</em>
Explanation:
<em>I think this because you need oxygen to survive. Right?!</em>
A) Genetic Engineering; this is the logical and « real » choice.
The main function of the nephron is to filter wastes out of the body and the re-absorption of substances required by the body.
The nephron also has components that have specific functions. There are about 1 million nephrons in one kidney