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S_A_V [24]
4 years ago
9

"to improve cardiovascular fitness, _____ workout sessions per week are optimal"

Biology
1 answer:
kkurt [141]4 years ago
6 0
<span>"to improve cardiovascular fitness, 3-5 workout sessions per week are optimal". <span>Cardiovascular wellness is the capacity of the heart, platelets and lungs to supply oxygen-rich blood to the working muscle tissues and the capacity of the muscles to utilize oxygen to create vitality for development.</span></span>
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Energy used in organisms is called?
adell [148]
The energy that is used in organisms is: ATP
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3 years ago
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A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W
Arlecino [84]

<u>Answer</u>:       D. calcium chloride

<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>

<u>Explanation:</u>

<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>

It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>

They are produced from organic materials. <em>Calcium chloride contains the chloride ion and calcium ion,</em> as the chloride ion easily passes the artificial membrane so we can term <em>calcium chloride as the mystery membrane that passes the artificial membrane easily.</em>

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3 years ago
How might a sudden cold front limit population growth of newborn offspring?"" HELP PLEASE
Dahasolnce [82]

Answer:

The correct answer is - they may not be able to survive at such a temperature.

Explanation:

A Cold front is a weather change when a cooler air mass moves into warmer air that leads to a sudden drop in temperature following by the cyclone, heavy rainfall and hail.

These sudden changes and heavy rain with storms and cyclones can limit the population growth of newborn offspring as they may not able to survive in such a sudden temperature drop.

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3 years ago
A person has trouble coordinating muscle movements. Which two tissues could be injured?
Basile [38]

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connective; epithelial

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Which system would be responsible for determining the body’s immediate response to heat
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I believe that it's the nervous system.

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