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Svetllana [295]
2 years ago
12

What is a stem cell?

Biology
1 answer:
Scorpion4ik [409]2 years ago
5 0

A stem cell are undifferentiated cells in tissues like bone marrow and the brain in the adult body.

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3. Describe at least three types of medical interventions that can be used to treat and repair broken bones. Explain the theory
hjlf

Answer:

1. Casting

2. Open reduction and internal fixation

3. Open reduction and external fixation

Explanation:

Casting is the process of making use of plaster-of- Paris to cure a fracture.

Open reduction, and internal fixation can be described as a situation whereby surgery is used to repair the fracture-frequently, and involves the use of metal rods, screws or plates to repair the bone. These things remain in place, under the skin, after the surgery. This procedure is adopted when the complicated fractures are not able to be realigned (reduced) by casting.

Open reduction, and external fixation is known to involve surgery to repair the fracture, and placement of a external fixation device on the limb with the fracture. This device is an external frame which supports the bone and hold it in the correct position while it is healing.

5 0
2 years ago
The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
anzhelika [568]

Answer:

B

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

7 0
3 years ago
Asexual reproduction in the parent cell will result in offspring with
alukav5142 [94]
The correct answer is
 offspring

8 0
3 years ago
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Which is the reproductive method of prokaryotes?
Verizon [17]

Answer:

Prokaryotic cells reproduce by a process that is called binary fission.

Explanation:

The DNA in such cells is contained in a single circular chromosome called a plasmid within the cytoplasm. The reproductive process starts with the replication of the chromosome.

5 0
3 years ago
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How dose uv light affect folate
Ivan

Answer:

 (UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.

7 0
2 years ago
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