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Tanya [424]
3 years ago
13

Why will doing a defibrillator cause the heart to pump ?

Biology
2 answers:
Lunna [17]3 years ago
8 0

Answer:

Defibrillation delivers an electrical shock that causes all the heart cells to contract at the same time. This stops the abnormal rhythm and allows the heart to restart normal electrical activity.

Explanation:

Flura [38]3 years ago
5 0

Answer:

it shocks the hearts muscles jolting the heart into working again.

Explanation:

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Keratin protects skin cell DNA from the damaging effects of ultraviolet (UV) radiation. Is this statement true or false?
VashaNatasha [74]
False; Melanin absorbs and dissipates the harmful UV rays that can damage the DNA of your skin cells. Keratin is a fibrous protein that helps to protect skin from abrasion.
7 0
3 years ago
Segmentation helps separate the different functions of the body; it is exemplified by the separated circulatory, digestive, nerv
Alexxandr [17]
<h2>True </h2>

Explanation:

  • Segmentation allows for a greater degree of variety among species
  • The concept of segmentation relies upon the ability for organisms to duplicate organs and structural elements, such as arms and legs
  • The ability to divide functions into different portions of the body allows an organism to perform increasingly complex activities and use different segments to perform varying functions
  • For example, humans consist of heteromeric segmentation, in which each segment differs from another and fulfills a specific role
  • Homomeric segmentation refers to segments that contain similar elements, such as with the segments in an Errantia, a type of worm
4 0
3 years ago
Anthony has told Marvin that he will come over and help him paint the sides of his house. Anthony
Elina [12.6K]

Based on the data provided, Anthony will be safe because Anthony's ladder will make a 75. 522 degree angle.

<h3>What is the height of the wall?</h3>

The height of the wall is determined using trigonometric ratios.

Since the ladder must be within 1 degree of 76 degrees to be safe, we assume the maximum angle to be 77°.

Length of the ladder = 10 m

The ladder, the wall of building and the floor form a right-angled triangle.

Height of wall = 10 × sin 77°

Height of wall = 9.74 m

If Anthony places the ladder 2. 5 feet from the base of the building, angle A, it will make with the floor is calculatedas follows:

Cos A = 2.5/10

Cos A = 0.25

A = 75.522°

Therefore, Anthony will be safe because Anthony's ladder will make a 75. 522 degree angle.

Learn more about trigonometric ratios at: brainly.com/question/1201366

4 0
3 years ago
Which event(s) occur because the Earth, Moon, &amp; Sun have a 180° alignment (straight angle)?
ella [17]

Answer:

A Lunar Eclipse

Explanation:

5 0
3 years ago
5. Dieting often leads to weight gain.<br> True<br> False
vagabundo [1.1K]

Answer:

the answer is false. Dieting usually leads to weight loss.

7 0
3 years ago
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