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aliya0001 [1]
3 years ago
14

What is the main source of ATP production in skeletal muscle for sustained exercise

Biology
2 answers:
raketka [301]3 years ago
8 0

Answer:

Glucose

Explanation:

mihalych1998 [28]3 years ago
7 0

Answer:

Lactic Acid Accumulation

Explanation:

Long-term muscle use requires the delivery of oxygen and glucose to the muscle fiber to allow aerobic respiration to occur, producing the ATP required for muscle contraction.

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In 2006, scientists found a fossil that seemed to have fish-like scales and four legs. It also had a bone structure in its neck
lianna [129]

Answer:

Option-C

Explanation:

Scientists found a fossil of a fish with four limbs or legs. The fossil was estimated to be around 375 million years old.  

The fossil showed the fins and scales of a fish but they also possess the bones of proto-wrist, shoulders and the elbow.

The presence of these bones can be a clue that the fish evolved the limbs to walk on the land and will later evolve into animals belonging to amphibians, reptiles and mammals. Therefore, the Tiktaalik is considered the missing link of how life evolved from water to land.

Thus, Option-C is correct.

4 0
3 years ago
Why the horses developed an oxygen debt when they exercised.
user100 [1]

Answer:

The horses developed an oxygen debt when they exercise because they suffered from Exercise-Induced Pulmonary Hemorrhage (EIPH).

Explanation:

A temporary shortage of oxygen in the body tissues during physical exertion such as exercise or a sudden burst of activity is referred to as oxygen shortage.

Horses (compared to humans) are uniquely designed to experience little or none of this.

When the body takes up oxygen, it reacts with glucose to produce energy. This is called Aerobic respiration.

There is also another procedure that the body uses to produce energy. This occurs when glucose is broken down in the cells. After this happens, lactic acid is created but cannot be stored in the body and must be expelled.

This interval when energy is produced without the presence of oxygen is called "oxygen debt".

When a horse is fit, its breathing quickly returns to normal. The longer the time taken for the breathing to return to normal, the less fit the horse is.

One of the factors that can reduce the fitness of a horse is the Exercise-Induced Pulmonary Hemorrhage (EIPH).

This occurs when blood vessle in the lung ruptures causing blood to bleed into the airways. So blood occupies space where oxygen should have. This reduced the amount of oxygen delivered to the blood stream. Hence the oxygen debt takes longer to be repaid.

Cheers

6 0
2 years ago
______ are also known as “local hormones”
AlexFokin [52]

Answer:

Autacoids or "autocoids" are biological factors (molecules) which act like local hormones

6 0
3 years ago
Read 2 more answers
Scar tissue is made from what tissue
Anon25 [30]
Scar tissue is made of a protein called collagen
8 0
3 years ago
What types of local winds would you experiemce if you were standing in a valley at night
Neporo4naja [7]
Hey there,

Your question states: <span>What types of local winds would you experience if you were standing in a valley at night?

</span><span>The type of local winds would you experience if you were standing in a valley at night would be like a </span>\boxed{valley \ breeze}. Based on my research, when attending the valley of any sort, you would not really see like 10 MPH winds, there winds are not powerful at all. They are little breeze that feel good. That it why your answer is Breeze :)

~Jurgen
4 0
3 years ago
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