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alina1380 [7]
3 years ago
9

Select all of the correct answers.

Biology
2 answers:
andrey2020 [161]3 years ago
5 0

Answer: 2, 3, 4,

Explanation:

Phantasy [73]3 years ago
3 0
It would be 2,3,4 i think
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What is an invasive species?
Serga [27]

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Explanation:

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2 years ago
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3 0
3 years ago
Need help with this please
wolverine [178]

Answer: movement is always voluntary

Explanation:

Muscles are contractile:

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Muscles are excitable:

- Excitable tissue can conduct or transmit electrical impulses. Basically, it can react to stimulus, which may be delivered from a motor neuron or a hormone. For example, the hormone epinephrine helps muscles to produce force.

Muscles respond to stimulus:

- well since muscles are an excitable tissue, they can react to stimulus. (see answer above)

————————

Muscle movement is NOT always voluntary:

- Some muscle movement is voluntary, which means it is under conscious control. For example, a person decides to open a book and read. Other movements are involuntary, meaning they are not under conscious control, such as the contraction of your pupil in bright light, breathing, blinking, your heart beating, etc.

- Therefore, the correct answer is:

movement is always voluntary

hope this helps :)

3 0
1 year ago
How can seismic waves be used to determine an earthquakes epicenter????
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</span>
7 0
3 years ago
Read 2 more answers
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