Question

what is red blood cells ​

Answer 1

Answer:

Red blood cells are an important element of blood. Their job is to transport oxygen to the body's tissues in exchange for carbon dioxide, which is carried to and eliminated by the lungs. Red blood cells are formed in the red bone marrow of bones.

Answer 2

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➝ Red blood cells (RBC) carry oxygen from the lungs to all the cells of the body.Red blood cells are red in colour due to the presence of red pigment called haemoglobin.

☣ Haemoglobin performs a very important functions of carrying oxygen from lungs to body tissues.

☣ Haemoglobin also carries some of carbon dioxide from body tissues to the lungs.

☣ Red blood cells do not have nuclei.

☣ Red blood cells are circular in shape.

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☣ White blood cells :- white blood cells fight fight infection and protect us from disease.

☣ Plasma :- The liquid part of blood is called plasma.

☣ Blood :- Blood is a red coloured liquid which circulates in our body.