Answer:
A blood sample is taken. I hope this helps! :)
Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
bro....1 answer is enough
1.Aa
2.aa
3. Aa
4.aa
50% Aa and 50%aa
Answer is D.
Waste products from metabolism are carried by the circulation to the kidneys, which filter them out if the blood to be excreted in urine.
