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laiz [17]
4 years ago
12

If I hold my breath for 30 seconds, then my heart rate will increase or decrease?

Biology
2 answers:
cluponka [151]4 years ago
8 0

Answer:

Your heart rate will increase due to the lack of oxygen.

Hope this helps.

Explanation:

Marina86 [1]4 years ago
5 0

Answer:

Your heart rate will decrease.

Explanation:

By breathing in and holding your breath, you are further activating the PNS  (peripheral nervous system) causing a decreased heart rate which is also known as bradycardia. In addition, holding your breath will start to create a negative suction pressure in your thorax and will commence to inflate the organs.

→ Basically, your heart rate goes up more or your bodies processes are being used and when you exercise your muscles are being used -  this makes your heart rate go up. <em>However, when you hold your breath your heart rate steadily decreases because your lungs aren't be used and your body is trying to reserve the oxygen that you vitally need.</em>

I hope this is helpful!

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3 years ago
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The ecological succession that occurs in a lava field is as follows:

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<h3>What is ecological succession?</h3>

Ecological succession refers to the series of changes that occur in a habitat gradually with new species replacing existing species or a barren habitat until the environment becomes more complex.

A lava field is a barren field where there are no species

The ecological succession that occurs in a lava field is as follows:

Moss and lichen arrive by birds to barren lava field; Soil is created; Fountain grass grows; Monkeypod trees grow.

Learn more about ecological succession at: brainly.com/question/18240055

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2 years ago
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7 0
4 years ago
What role do animal preserves play in maintaining ecosystem biodiversity?
monitta

Answer:

Animals preserve play very important role in maintaining ecosystem biodiversity. In animal preserves, animals are protected from the harmful effects of the changes which occur in the environments due to human intervention. In animal preserves,

animals should be kept in proper environment and provide a proper place for living and food in order to increase the population of the animals.

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Tasya [4]

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