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Thepotemich [5.8K]
3 years ago
13

Explain what bone is composed of and which cells break down and replace bone tissue.

Medicine
1 answer:
Zarrin [17]3 years ago
3 0

Answer:

Bones are composed of mainly collagen fibre and osteoclast are the cells used to breakdown bone tissue and osteoblast cells replace it.

Explanation:

Bone is made up of tough matrix which contains mainly collagen fibres which provide bone it's flexibility and strength. The deposition of calcium over collagen makes bones more strong. Blood vessels and fat deposits are also parts of a bone.

Osteoclasts are the cells which are specialized for degenerating old bone tissue and osteoblast are the cells which make new bone tissue and replace it from old bone tissue. This process is called bone remodeling.

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What bacteria are most associated with Guillain-Barré syndrome?
nexus9112 [7]

The correct answer is B. Campylobacter

Explanation:

Guillain-Barre syndrome is a disease in which the nerves and muscles are weakened usually as the immune system attacks them which leads to changes in muscles strength, pain, and even life-threatening conditions. Although the causes of this syndrome have not been completely determined in most of the cases the condition seems to be triggered by an infection and around 30% of people who experienced an infection before the syndrome had an infection caused by Campylobacter, which suggests the syndrome is related to this type of bacteria, although it has been also linked in few cases with influenza virus, Zika virus and others. Considering this, the bacteria that is most associated with Guillain-Barre syndrome is the Campylobacter.

3 0
4 years ago
Cigarette smoking is a ___________________ of lung cancer. Sufficient cause Necessary cause Both a sufficient and necessary caus
Norma-Jean [14]

Answer:

Both a sufficient and necessary cause

Explanation:

When smoking, you are doing no good to your body at all. There is absolutely no benefit when you smoke a cigarette. Let me know if this helps.

3 0
3 years ago
Which of the following stabilizes the thick filaments in a myofibril? (1 point) a. Z line b. M line c. Z disc d. A band e. H zon
RSB [31]

Answer:

e. H zone

d. A band

b. M line

Explanation:

The bands which stabilizes the thick filament in a myofibril are

c) Dark band having full length of thick filament A band stabilizes the thick filament

E) The H zone having thick but no thin filament stabilizes the thick filament in myofibril.

D) M line is the thick filament it has a protein to which the myosin is attached it stabilizes the thick filament.

Therefore,  H zone, M Line, A band stabilizes the thick filament in a myofibril

7 0
3 years ago
Which type of blood vessel allows the direct exchange of nutrients between plasma and interstitial fluid?
Fed [463]

Answer:

c. capillary

Explanation:

Capillary -

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In the body , the capillary are the smallest blood vessels .

The main function of capillaries is to exchange substance along with the interstitial fluids .

Substance like ,  water , glucose , oxygen carbon dioxide , nutrients etc .

Hence , from the information from the question , the answer is capillaries .

8 0
4 years ago
1. A brain hemorrhage within the region of the right internal capsule results in paralysis of the left side of the body. Explain
Alla [95]
Because of the pressure the hemroied puts on the body or part of the brain
4 0
3 years ago
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