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1 year ago

What happens to the muscles of people with marfan syndrome

Biology

2 answers:

Alexeev081 [22]1 year ago

6 0

Answer:

Muscle fatigue is often reported by patients with Marfan syndrome although myopathy is not classically considered a component of Marfan syndrome [1, 2, 4, 6, 7]. In addition to apparent muscle underdevelopment, some patients report myalgia or cramps suggesting skeletal muscle involvement.

Explanation:

Stella [2.4K]1 year ago

3 0

Answer:

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A scientist has correctly gone through all the possible steps in a dichotomous key, but has not identified an insect. Which most

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The answer to this question is letter C. <span>The organism evolved during identification.
</span>A scientist has correctly gone through all the possible steps in a dichotomous key, but has not identified an insect. He was not able to identify the insect because t<span>he organism evolved during identification.
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Choices to this question are:
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2 years ago

Photosynthesis is an endothermic reaction because. . .

Vilka [71]

Choice "C" In an Endothermic Reaction, a reactant is taking energy (in this case sunlight).

I hope this helped you!

Brainliest answer is always appreciated!

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2 years ago

In the alveolus pictured above, a disease or

Inessa [10]

<h2><u>Full Question:</u></h2>

In the alveolus pictured above, a disease or injury to which structures would reduce the ability of oxygen to diffuse from the alveolar space to the capillary?

A. A and B

B. B and C

C. B and D

D. A and D

<h2><u>Answer:</u></h2>

The correct answer is option D.

<h3><u>Explanation:</u></h3>

Alveoli is defined as the unicellular thickened sac like structure of lungs which helps in exchange of gases in lungs. The exchange membrane of lungs comprise of three structures -

A. The epithelium cells of Alveoli,

B. The basement membrane of alveolar epithelium,

C. The endothelial layer of blood capillary.

The red blood cells described here won't cause any problems to the diffusion of gases from alveolar cavity to blood. The structures mentioned here as the type 2 cells of Alveoli which secrete lecithin, a surfactant which releases the surface tension of Alveoli. This compound prevents the Alveoli from collapsing and helps in diffusion of gases. The other structure mentioned here as D are the alveolar epithelium which is the unicellular thickened membrane of Alveoli, helping in gaseous exchange.

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2 years ago