Red blood cells, also called erythrocytes, are the most abundant cell type in the blood. Other major blood components include plasma, white blood cells, and platelets. The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
A red blood cell has what is known as a biconcave shape. Both sides of
the cell's surface curve inward like the interior of a sphere.
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<span>Plasma BloodBlood HemoglobinBlood TransportHuman Blood CellsCell Function Biology</span>
This shape aids in a red blood cell's ability to maneuver through tiny blood vessels to deliver oxygen to organs and tissues. Red blood cells are also important in determining human blood type.
Blood type is determined by the presence or absence of certain
identifiers on the surface of red blood cells. These identifiers, also
called antigens, help the body's immune system to recognize it's own red blood cell type.
Answer:
The correct answer is- have diverse cell wall composition
Explanation:
Bacteria and archaea are both prokaryotes because they both lack membrane-bound nucleus and other membrane-bound organelle. There are differences between bacteria and archaea which allow their differentiation into two different domains.
One of the main difference is the difference in their cell wall. The cell wall of bacteria is made up of peptidoglycan and the cell wall of archaea is made up of pseudo-peptidoglycan.
In peptidoglycan N-acetylglucosamine and N-acetylglucosamine are the two sugars but in archaea N-acetyltalosaminuronic acid (NAT) replaces NAM.
Answer:
A group of similar cells make up a tissue. Several tissues make up an organ.
Explanation:
Diffusion is the net movement of fluid from area of higher concentration to lower concentration, resulting from the random movement.
From example, if you drop a red ink in a cup of water, the ink will slowly spread among the water, making the water red. This is because the red ink is very concentrated, so it moves to the other part of water to lower the ink concentration. When it reaches the point where whole cup of water is red, it reached equilibrium and there's no more net movement
