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almond37 [142]
3 years ago
11

Describe the differences between the forces of magnetism and gravity.

Biology
1 answer:
lord [1]3 years ago
3 0

Answer:

Gravity is not the same thing as magnetism. They are in fact entirely distinct forces. Gravity is a force that works with weight between two objects. Magnetism can pull or separate the two objects, depending on how the magnets point.

Explanation:

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Answer:

Hemoglobin

Explanation:

Hemoglobin is a protein in red blood cells that carries oxygen throughout the body. With SCD, the hemoglobin forms into stiff rods within the red blood cells. This changes the shape of the red blood cells. The cells are supposed to be disc-shaped, but this changes them into a crescent, or sickle, shape.

The sickle-shaped cells are not flexible and cannot change shape easily. Many of them burst apart as they move through your blood vessels. The sickle cells usually only last 10 to 20 days, instead of the normal 90 to 120 days. Your body may have trouble making enough new cells to replace the ones that you lost. Because of this, you may not have enough red blood cells. This is a condition called anemia, and it can make you feel tired.

The sickle-shaped cells can also stick to vessel walls, causing a blockage that slows or stops the flow of blood. When this happens, oxygen can't reach nearby tissues. The lack of oxygen can cause attacks of sudden, severe pain, called pain crises. These attacks can occur without warning. If you get one, you might need to go to the hospital for treatment.

7 0
2 years ago
----- are fracture in the earths crust where rocks move and slide past other
dybincka [34]

Answer:

fault (or fault line) - fracture in the Earth's crust

Explanation:

5 0
3 years ago
Crystal size in igneous rocks is determined by
VMariaS [17]

Answer:

Explanation:crystal size in igneous rocks is determined by how quickly magma or lava cooled to form it.

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Most respiration occurs in oragnelles called
frozen [14]

Answer:

mitochondrion

Explanation:

8 0
2 years ago
The walls of the human heart are made of a specialized form of muscle tissue known as cardiac tissue. This cardiac, or heart, ti
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Answer:

d. cells

cardiac tissue are made up of cells.

8 0
3 years ago
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