Answer:
its a man opening a door.
Explanation:
<span>What food source contains all the essential amino acids and is the best source of protein?
-</span><span>meat
</span><span>Plant proteins are often of lower nutritional quality than animal proteins because they often lack one or more essential amino acids. However we can restore the balance of amino acids, by involving them in the same meal.</span>
Red blood cell antibodies may show up in your blood if you are exposed to red blood cells other than your own. Antibody serology tests check for the presence or level of specific antibodies in the blood.
Answer:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Explanation:
Hope this helps!
Good Luck!