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Yuri [45]
2 years ago
11

Questions 1-5 (Im struggling out here pls respond fast)

Biology
1 answer:
vodka [1.7K]2 years ago
5 0

Answer:

Hi

Explanation:

I need points

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Answer the following questions:
Naddik [55]

Answer:

1. The respiratory system allows us to breathe . They bring oxygen into our body and remove carbon dioxide from the body .

2. Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.

3. The throat (pharynx and larynx) is a ring-like muscular tube that acts as the passageway for air, food and liquid. It is located behind the nose and mouth and connects the mouth (oral cavity) and nose to the breathing passages (trachea [windpipe] and lungs) and the esophagus (eating tube).

4. The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.

5. The heart pumps blood to the lungs for oxygenation and the lungs then give the heart back oxygen rich blood to be transmitted to the whole body

Explanation:

plss mark brainliest

4 0
3 years ago
7. What weather element (temperature, humidity, precipitation, air pressure, wind, and visibility)
marysya [2.9K]

Answer:

air temperature, air pressure, humidity of the air, amount and kind of cloud cover, amount and kind of precipitation, and speed and direction of the wind.

7 0
3 years ago
What is the sympathetic nervous system and what are some of the effects it has on the body?
Alex Ar [27]
Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate.
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3 years ago
In the 3rd line of defense blood vessels expand,
julia-pushkina [17]
The answer is true!!
5 0
3 years ago
Choose the sentence that best matches the context of the word reticent as it is used in the following example.
inessss [21]

The correct answer is E. He will not readily reveal his feelings.

Reticent can be defined as a person who does not like to talk.

Reticent has different meaning. For example, It can be termed to somebody who is formal and restrained, Somebody who is not able to draw attention to oneself, and also reticent can also refer to a person who refers to seclusion to others.

3 0
3 years ago
Read 2 more answers
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