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Firdavs [7]
2 years ago
9

What cells move mucus and dust particles out of the trachea

Biology
1 answer:
Dmitriy789 [7]2 years ago
4 0

cilliated cells:)

correct me if im wrong:)

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Sister chromatids are ____.. Single choice.
PIT_PIT [208]
The answer is C i hope it’s right but i searched up
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2 years ago
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If the first low tide occurs at 5:10 a.m. on Friday when will the next low tide occur​
jonny [76]

The correct answer is - 5:35 PM on Friday.

The low tides, as well as the high tides, occur two times in a lunar day, on exactly every half a lunar day passed. A lunar day is 24 hours and 50 minutes long, so every next low tide, or high tide, appears after 12 hours and 25 minutes after the previous one. In this situation we have a low tide that has appeared at 5:10 AM on Friday, so in order to calculate when the other low tide will appear we need to add 12 hours and 25 minutes on it, and that will gives the information that the next low tide will appear at 5:35 PM on Friday.

6 0
3 years ago
When the diaphragm and external intercostal muscles contract, it
ivann1987 [24]

Answer:

The correct answer is: lets the air get inside the lungs.

Explanation:

The process of ventilation, or breathing, consists of two parts: <u>inhaling and exhaling.</u>

Inhaling is the name of the process that is responsible for the air entering the body by the respiratory tract. Exhaling is the opposite, it lets the air out. Both are equally important since they allow the gas exchange necessary for the oxygenation of the blood.

When inhaling, the diaphragm and the external intercostal muscles contract. This pulls the ribcage upwards and outwards, which increases lung volume while decreasing the air pressure inside.

7 0
3 years ago
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Sara is studying the human skeletal system. Her classroom has a model skeleton. What main advantage does a model skeleton have o
frosja888 [35]

Answer:

A scientific model is a representation model for a certain scientific concept. Scientific models make it easier to study a phenomenon as they tend to model out the exact phenomenons.

A drawing of an skeleton would be unclear as the children might not be able to locate certain features in the drawing. For example, a certain joint could be missed by the teacher in the drawing or the child might not exactly be able to locate where the joint or bone is present.

But as the model will be more real to the actual skeleton system hence, studying through a skeleton will make it a lot easier to study the human skeletal system.

6 0
3 years ago
Which sex chromosome is more dominant ( X or Y ) ?<br><br>​
Tcecarenko [31]

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x

Explanation:

The X chromosome is significantly longer than the Y chromosome and contains hundreds more genes. Because the additional genes in the X chromosome have no counterpart in the Y chromosome, the X genes are dominant.

hope it helps , pls mark me as brainliest

6 0
3 years ago
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