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valkas [14]
3 years ago
15

Where can electrical signals that cause the heart to beat originate from

Biology
1 answer:
Ierofanga [76]3 years ago
5 0

Answer:

SA node (sinoatrial node)

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The diagram below shows a cell placed in a solution.
Gelneren [198K]
The answer is the second option, it will shrink as water moves out of it.


The cell will shrink in size, losing water due to osmosis.
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3 years ago
A continual process in which a rock is changed into another rock is called-
Ksju [112]
The answer is the rock cycle
5 0
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Which type of mixture is it, if the solid settles out of the mixture over time?
kherson [118]

Answer:

Suspension

Explanation:

A suspension is a heterogeneous mixture in which some of the particles settle out of the mixture upon standing. The particles in a suspension are far larger than those of a solution and thus gravity is able to pull them down out of the dispersion medium (water).

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Which of the filling is a bacterial disease? a) flu b) cholera c) measles d)common cold
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The flu is a viral disease.
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How is gastric acid produced?
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basically in the stomach

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