Answer:
ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells.
Explanation:
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Answer:
Sun
Explanation:
The hydrological cycle is most like mainly propelled by solar energy. By evaporating water from the oceans, lakes, rivers, and even the surface, solar energy powers the cycle. Other water is lost from plants to the atmosphere resulting of the transpiration.
The build up in the child's ear prevent sound from reaching the eardrum.
The coronary arteries supply blood to cardiac tissue. The left ventricle chamber of the heart requires the greatest amount of blood supply to keep it working.
Coronary arteries
The heart muscle receives blood from the coronary arteries. The heart muscle needs oxygen-rich blood in order to operate, just like all other bodily components do. Blood that lacks oxygen must also be transported away. Outside of the heart, the coronary arteries encircle the organ.
The coronary artery that is blocked the most frequently is the LAD artery. The interventricular septum, and therefore bundle branches of the conducting system, receive their primary blood supply from it.
To learn more about coronary arteries refer here:
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