Answer:
The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body.
Explanation:
<em>I think it is right...</em>
<em>Please make me brainliest</em>
The charge by the nucleus of a atom has a negative charge.
Answer:
D
Explanation:
We can’t use nitrogen from the air and that’s why we have to use bacteria to into something that we can use
During middle age <span>an individual may experience initial decline of physical and mental attributes. This also increases during the last stage of life, old age.</span>
