Answer:
no
Explanation:
Arginine is an amino acid that has nitrogen in its structure. To remove nitrogen from arginine or other nitrogenous substances, mammals produce urea and eliminate it in the urine. However, birds eliminate nitrogen by producing uric acid, not urea.
Answer:
36 j
Explanation:
i legit just took the test XD
respitory systym and circulatory system because you need your lungs to breathe and the blood and heart to pump the oxygen into the blood. :))
Carry out all basic life activies.