MICROANATOMY

Detailed explanation-1: -Red blood cells carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.

Detailed explanation-2: -Red blood cells contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.

Detailed explanation-3: -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.

Detailed explanation-4: -Haemoglobin carries oxygen from the lungs to all parts of the body and carbon dioxide from all parts of the body to the lungs.