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jolli1 [7]
2 years ago
6

During eccentric muscle contraction, the muscle __________. a. gets longer as it contracts b. gets shorter as it contracts c. mo

ves isometrically d. does not change length please select the best answer from the choices provided. a b c d
Health
2 answers:
iogann1982 [59]2 years ago
8 0

During eccentric muscle contraction, the muscle: A. gets longer as it contracts.

Ivahew [28]2 years ago
4 0

During eccentric muscle contraction, the muscle gets longer as it contracts.

<h3>What is muscle contraction?</h3>

Muscle contraction is the lengthening, shortening of the muscle due to activity.

Muscle contraction and relaxation help in movement.

There are two types of muscle contraction:

  • Isometric contraction
  • Isotonic contraction

Muscle contraction occurs when myosin and actin filament goes apart from each other.

Thus, the correct option is a., which gets longer as it contracts.

Learn more about muscle contraction

brainly.com/question/17960840

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Oduvanchick [21]

Answer:

to identify and preserve physical evidence

Explanation:

If you dont preserve evidence YOU can never get the justice you deserve.if you dont preserve you'll become sterile and there will be no evidence and the person that did this to you will get away with it.

7 0
3 years ago
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A device that delivers an electric shock to the heart to restore its normal rhythm
olga_2 [115]
Defibrillator

That thing basically does the thingie that does the thingie to your heart and restores the heartbeat. 

CLEAR!!!  
8 0
3 years ago
What takes place when you inhale and exhale
Hatshy [7]
Breathing In (Inhalation)

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

As your lungs expand, air is sucked in through your nose or mouth. The air travels down your windpipe and into your lungs. After passing through your bronchial tubes, the air finally reaches and enters the alveoli (air sacs).

Through the very thin walls of the alveoli, oxygen from the air passes to the surrounding capillaries (blood vessels). A red blood cell protein called hemoglobin (HEE-muh-glow-bin) helps move oxygen from the air sacs to the blood.

At the same time, carbon dioxide moves from the capillaries into the air sacs. The gas has traveled in the bloodstream from the right side of the heart through the pulmonary artery.

Oxygen-rich blood from the lungs is carried through a network of capillaries to the pulmonary vein. This vein delivers the oxygen-rich blood to the left side of the heart. The left side of the heart pumps the blood to the rest of the body. There, the oxygen in the blood moves from blood vessels into surrounding tissues.

(For more information on blood flow, go to the Health Topics How the Heart Works article.)

Breathing Out (Exhalation)

When you breathe out, or exhale, your diaphragm relaxes and moves upward into the chest cavity. The intercostal muscles between the ribs also relax to reduce the space in the chest cavity.

As the space in the chest cavity gets smaller, air rich in carbon dioxide is forced out of your lungs and windpipe, and then out of your nose or mouth.

Breathing out requires no effort from your body unless you have a lung disease or are doing physical activity. When you're physically active, your abdominal muscles contract and push your diaphragm against your lungs even more than usual. This rapidly pushes air out of your lungs.

The animation below shows how the lungs work. Click the "start" button to play the animation. Written and spoken explanations are provided with each frame. Use the buttons in the lower right corner to pause, restart, or replay the animation, or use the scroll bar below the buttons to move through the frames.
8 0
2 years ago
Read 2 more answers
When inserting a nasopharyngeal airway, the emt should remember that:?
olasank [31]
The EMT should remembered that there is a possibility of bleeding of the nasal airway even if the nasopharyngeal airway is inserted correctly.
Nasopharyngeal airways are used to ensure that the airway of an unconscious patient do not become obstructed by their tongue due to the relaxation of their jaw muscles.
5 0
3 years ago
Carbon monoxide prevents oxygen from binding to hemoglobin. This would prevent red blood cells from doing which of the following
OleMash [197]
A. being oxygenated in the alveoli, where oxygen is supposed to attach to the red blood cells (in the lungs)
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2 years ago
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