What are stem cells? Where are they found?

1 answer:

4 0

Following the treatment, the Fetal Stem Cells will travel throughout the body, detecting damaged cells and tissue and attempts to restore them. The Fetal Stem Cells can also stimulate existing normal cells and tissues to operate at a higher level of function, boosting the body’s own repair mechanisms to aid in the healing process. These highly adaptive cells then remain in the body, continually locating and repairing any damage they encounter.

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The human body is capable of movement because the muscular and skeletal systems work closely together. Of the pairs of human bod

Verdich [7]

A human body is composed of muscles. Without it, the human body cannot function and will die. 

There are three types of muscle tissues: Skeletal muscle, Cardiac muscle, and Smooth muscle.

The skeletal muscle aids in the movement of the human skeleton. The 600 skeletal muscles make up 40 % of our body weight and are reliant on the signals released by our nervous system to start moving.

Cardiac muscles are those muscles which encloses our hearts. They are involuntary muscles which pumps blood throughout our bodies by creating steady and rythmic pulsing. They also make our heart contract by producing electrical impulses. 

Smooth muscles are found in the walls of blood vessels, respiratory passageways, and hollow organs. Its contracting movement is wavelike and it helps in the transfer of food through our stomachs or urine through our bladder. 

These muscles responds to nerve impulses and other stimuli.

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How could you tell an animal cell from a plant cell?

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A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.

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The diagram shows a simple lipid.

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Phospholipid is the answer

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Will rock can melt at a depth of about 100km below Earth's surface?

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No a rock is not that strong

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Consider the mRNA wheel. mc022-1.jpg Which amino acid is coded for by the mRNA codon UAA? start codon stop codon Leu Asn

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Attached is an example of a mRNA wheel.

The codon UAA codes a stop codon. The mRNA wheel is read by starting to choose from the four letters at the centre the one that is the first in the codon. Then, on that quarter of the circle, choose from the four letters, the second in the codon. Repeat again the process for the 1/16 part you chose previously choosing now the last letter in the codon. You are now able to identify what is coded by the mRNA codon.

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