Which continent falls in all four hemispheres

1 answer:

7 0

Africa because the prime meridian¹ "splits" part of Africa from from the western and eastern hemisphere, while the equator² also "splits" the landmass from the northern and southern hemisphere.

¹the straight imaginary line that comes from the north pole down through London to the south pole (0 degrees longitude).
²The imaginary line that splits the north and south hemispheres. (0 degrees latitude.

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What is the function of the red blood cell

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Answer:

The functions of RBC ( Red Blood Cells) are as follows:

It transports oxygen and carbon dioxide between the lungs and all part of the body.
The surface of red blood cells absorbs the amino acid and transports them to the cells from alimentary canal.

Additional Information:

<h3>About RBC</h3>

RBC stands for Red Blood Cells. They are also called erythrocytes. They are circular, biconcave, disc-shaped and non -nucleated cells. They are formed in red bone marrows and destroyed in the spleen. Their lifespan is very short that is 4 months.

RBC contains an iron pigment called haemoglobin that carries oxygen from place to place in the form of oxyhemoglobin. When haemoglobin is exposed to oxygen, it turns red. So the blood is red in colour. If RBC is less in blood then, a person is suffering from anaemia , as there is not enough haemoglobin to transport oxygen.