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klio [65]
3 years ago
7

Why is the sarcoplasmic reticulum. How does it aid in the stimulation of muscle contraction?

Biology
2 answers:
Mandarinka [93]3 years ago
8 0
Activation of muscle contraction could be a speedy event that's initiated by electrical activity within the surface membrane and transversal (T) tubules. This can be followed by unharness of metal<span> from the inner membrane system, the sarcoplasmic reticulum.
</span>Nervous stimulation causes a depolarization<span> of the muscle membrane (sarcolemma) </span>that<span> triggers </span>the discharge<span> of </span>calcium<span> ions from the sarcoplasmic reticulum.</span>
Kitty [74]3 years ago
5 0

Answer:

It bathes the sarcomere in calcium.

Activated when muscle cells are stimulated.

It stores large amounts of calcium.

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900J

Explanation:

Given parameters:

Specific heat of the aluminium = 900Jkg⁻¹K⁻¹

Mass of aluminium = 0.5kg

temperature change = 2K

Unknown:

Quantity of heat = ?

Solution:

The quantity of heat a body absorbs to cause a change in temperature is given as:

  H  = mcΘ

H is the quantity of heat

m is the mass of the substance

c is the specific heat capacity

Θ is the temperature change

 

   H = 0.5 x 2 x 900 = 900J

learn more;

Specific heat brainly.com/question/7210400

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ANSWER:

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Explanation:

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