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svetlana [45]
3 years ago
11

__________exercise builds endurance and strengthens the heart, especially when your heart rate is in the target heart rate zone.

It also helps your lungs work more efficiently.
Health
1 answer:
Readme [11.4K]3 years ago
4 0

Answer:erobic

Explanation: which is running and walking exercise. It helps hearts endurance

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7nadin3 [17]

Answer: The right answer is Cave-ins.

Explanation: Excavations and trenches are basically the man-made cuts inside the Earth's surface. These are made for multiple purposes such as mining or tunneling. One of the obvious risk while working in such excavations and trenches is cave-ins. It is basically collapse of that excavation or Trench. The roof of the mine collapses and people working under it get buried inside those excavations in trenches.

8 0
3 years ago
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What are diffrent parts besides cells and organs?
77julia77 [94]
Well if you're referring to the human body, our cells make up a lot of everything we're made of. Muscles, organs, bones, blood, skin, etc. Biologically speaking, there's a lot to the human body besides organs. Sorry if this isn't very helpful.
4 0
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5 0
3 years ago
Increased metabolic rate due to exercise is helpful because why ?
arsen [322]

Answer:

to help burn energy

Explanation:

3 0
3 years ago
If sin a=-4/5 find cos a​
AURORKA [14]

Answer:

sin a=-4/5

we have sina=perpendicularp/hypotenuseh=-4/5

let p=-4k

h=5k

by Pythagoras theorem

h²=p²+b²

(5k)²=(-4k)²+b²

25k²-16k²=b²

(3k)²=b²

b=√(3k)²=3k

now

cos a =b/h=3k/5k=3/5

3 0
3 years ago
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