Answer:
The dead cardiac muscle tissue in adults is replaced with scar tissue composed of dense connective tissue. Scar tissue forms after an injury to the normal collagen cells in the body. It is not like heart muscle tissue because it does not contract and it cannot help the heart to pump.
Explanation:
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The correct matching of the given letters is explained below.
Explanation:
1) Lymphocytes:
T Cells are a type of blood cells called Lymphocytes
2) Killer T Cell:
This type of T Cell can tell if another cell is healthy or infected.
3) Helper T Cell:
This type of T Cell carries information and decides when to tell other immune cells to carry out an immune system
4) Enzymes:
When a Killer T Cell decides that a cell is unhealthy, it can destroy with Enzymes.
5) Specific:
T Cells can identify individual germs because they are specific.
6) Intruder Organisms ad Infected Cells
To be able to do their job properly, T cells must learn to only attach intruder organisms and infected cells.
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