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lisabon 2012 [21]
2 years ago
11

Which of the following is a source of impulses?

Health
1 answer:
Virty [35]2 years ago
7 0

Answer:

emotions and prefrontal cortex

Explanation:

Emotions happen even when we don't think about it and prefrontal cortex is always working and we don't tell are brain to function so that's why I would say those two.

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Perspiration

Explanation:

I believe the answer is perspiration.

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Why is it important to hold a static stretch for at least 10–15 seconds? Include the physiology of the stretch reflex in your re
Sergio039 [100]

Static stretch

Explanation:

Static stretching exercises are done by elongating the target muscles as tolerated and then holding the stretch in that position for a stipulating length of time. This holding time period is usually determined by the individual’s age, activity level, any other previous illness or injuries etc.  

The holding time usually is around 10-15 seconds is especially done to:

  1. Reduce risk of injury, muscle stiffness
  2. Increase mobility, flexibility, range of motion  
  3. Relieve back or joint pains.

The main physiology in stretch reflex:

The stretch reflex is a myotatic reflex which is triggered by the action potentials of la afferent fibers. This causes the excited motor neurons to contract the stretched muscle which in turn reduces the potential.    

The holding in static stretching is to make the elongation of the muscles a habitual length for the muscle spindle fibers and mark it is a new length.

The signals are reduced and the receptors are trained to allow more muscle fiber lengthening. The greatest increase in length or increase in range of motion occurs when the stretch is held for about 10-30 seconds with 2-4 repetitions.

8 0
3 years ago
Americans should drink ________ instead of sugary drinks?
Zinaida [17]
Water, Milk, all natural juice. 
6 0
3 years ago
Give any two examples of socio cultural aspects of environment.​
Andrej [43]

Answer:

hope it helps...

Explanation:

Social and cultural environment refers to the formation and change of social structure, social customs and habits, beliefs and values, codes of conduct, lifestyle, cultural traditions, population size and geographical distribution.

5 0
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