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Feliz [49]
3 years ago
7

Within an infected wound bed, many cell types are involved in protecting the host and eliminating the "foreign invaders" to prom

ote wound healing. How does the identification of body tissues from foreign substances occur?
Biology
1 answer:
Oxana [17]3 years ago
7 0

Explanation:

All vital organs begin to lose some functionality as one ages during adulthood. Aging changes occur in all cells, tissues and organs of the body and affect the functioning of all body systems.

The living tissue is made up of cells. There are many different types of cells, but they all have the same basic structure. Tissues are layers of similar cells that fulfill a specific function. Different types of tissues group together to form organs.

There are four basic types of tissue:

The connective tissue supports the other tissues and joins them. This includes bone, blood and lymphatic tissue, in addition to the tissues that provide support and structure to the skin and internal organs.

The epithelial tissue provides coverage for the superficial and deeper layers of the body. The skin and lining of the ducts inside the body, such as the gastrointestinal system, are made of epithelial tissue.

Muscle tissue includes three types of tissue:

Striated muscles, such as those that move the skeleton (also called voluntary muscles)

Smooth muscles (also called involuntary muscles), such as the contents in the stomach and other internal organs

Myocardium, which makes up most of the wall of the heart (also an involuntary muscle)

Nervous tissue is composed of nerve cells (neurons) and is used to carry messages to and from different parts of the body. The brain, spinal cord and peripheral nerves are composed of nerve tissue.

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What is the sequence of travel by an impulse through the cardiac conduction system?
adoni [48]

The sequence of impulse through the cardiac conduction system starts from SA node passes to AV node to atrioventricular bundle fibers and finally to Purkinje fibers.

Heart is an organ that receives oxygenated blood form lungs and deoxygenated blood from different parts of body. Oxygenated blood is transported to different organs and deoxygenated blood is transported to lungs for oxygenation.

Now, to perform this transportation, the auricles and ventricles of heart contract and relax. In order to contract and relax, impulse generation is required, which begins at SA node or Sinoatrial node. It is also referred to as pacemaker of the heart. SA node contracts the atria and the impulse transfers to AV node or Atrioventricular node.

This is followed by transfer of impulse to atrioventricular bundle fibers which further passes it on to Purkinje fibres for ventricular contraction. Now the blood is sent to lungs and aorta as per it's oxygen status.

Learn more about cardiac conduction system -

brainly.com/question/2813924

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4 0
2 years ago
If you were given a 3D microscope to use for photography, which object(s) would you most want to photograph? Why?
Troyanec [42]

Answer:

Explanation:

I would like to photograph a tulip, because I have always been interested to know more about some flowers and what’s in the inside of them. Even though tulips look pretty “simple” but beautiful in the outside, I suspect that there are a thousand of different things inside of it.

8 0
3 years ago
Glucose is a molecule that can move across the cell membrane. If the
anastassius [24]

Answer

B) Glucose molecules will diffuse out of the cell.

4 0
2 years ago
The resurrection fern (Pleopeltis polypodioides) grows on the bark of southern live oak trees (Quercus virginiana). Resurrection
inna [77]

Answer:

Option B

Explanation:

In biology, fitness refers to the ability of an organism to survive, reproduce, mate and support evolution through gene transfer. A fitness of 0.28 signifies that only 28 percent of a given population are fit physically and able to reproduce while the remaining 72 % are unable to mate and hence cannot reproduce  and contribute towards gene flow and evolution.

Hence, option B is correct

3 0
3 years ago
The single largest portion of the human genome consists of noncoding _______, some of which include ______. These are DNA segmen
yuradex [85]

Answer:

Repetitive DNA segments: transposable elements.

I hope it helps.

8 0
3 years ago
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