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erik [133]
2 years ago
11

The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?

Biology
2 answers:
nika2105 [10]2 years ago
8 0

Answer:

<em>They deliver oxygen to the blood.</em>

Explanation:

The main function of the respiratory system is to provide oxygen to the body and to remove carbon dioxide from the body. Oxygen is transported to all ports of the body via blood vessels from the lungs. The alveolar sacs, present in the lungs, allow oxygen to be transported to the blood and carbon dioxide to be taken up.

The organs of the respiratory system include nose, pharynx, epiglottis, larynx, trachea, Bronchi, Bronchioles, alveolar sacs of the lungs.

zmey [24]2 years ago
4 0

Answer:

B.) they deliver oxygen to the blood

right answer on edg 2020

hope this helps!!!

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What is natural selection? How does this work on organisms in nature? (should be at least 3 sentences)
BigorU [14]

Answer:

The natural selection is a theory made by Charles Darwin where animals better adapted to their environment tend to survive and produce offspring. for example, there are about 50% of beetle that are green and 50% orange.  If crows tend to eat green beetles more, there will be more orange beetle to produce offspring so there wood then be less green beetles to be eaten by crows.

An environment can change over time and this will cause for the animals living in the environment to adapt as well. These changes will occur when an animal with undesirable traits don't survive to reproduce. The offspring of individuals that do survive to reproduce will inherit their parent's desirable traits. Over many generations, the desirable traits will be seen in more-and sometimes all- of the individuals in the population

Explanation:

That is the natural selection told in my words, but please do your best to rewrite your own sentence/paragraph. Copying another's work is called plagiarism and any teacher can automatically give you a 0% for this.

Anyway, goodluck.

<em>Please mark as Brainliest and feel free to ask for any more information.</em>

<em>                                                       ~~~They Speak To Me~~~                                                            </em>

4 0
3 years ago
Moving molecules from low to high
Kay [80]

Answer:

Active transport

Explanation:

Diffusion is when particles (like perfume) spread out everywhere from an area where there is a lot of it to where there is a little to none of it. Active transport is the opposite. A cell for example would use it's own energy to absorb nutrients when it already has quite a lot. Naturally diffusion would make the particles or nutrients go out of the cell because there is a lot of it inside the cell not outside, so active transport is used to absorb as much as the cell can from around it, even when it is full.

4 0
1 year ago
A hospital laboratory technician injects a dye into a vein in your right arm. what is the first chamber of the heart that the dy
ololo11 [35]
The first heart chamber that the dye would enter is right atrium.
This will be followed by
left ventricle
right ventricle
left atrium
coronary valve


8 0
3 years ago
What chemical helps to regenerate ATP
kaheart [24]

creatine phosphate is the chemical that helps to regenerate ATP

3 0
3 years ago
Read 2 more answers
How can scientists use data from an earthquake to learn about Earth's layers? Hint for this question is A seismograph is an inst
oee [108]
Scientists learn about the layers deep within the Earth's crust by studying how seismic waves travel ... Usually, they use seismic waves, which are waves generated by earthquakes

FOR MORE EXPLANTION...JUST A LITTLE MORE

NOT REALLY REQUIRED BUT YOU CAN USE JUST FOR YOUR REFERENCE..

Excellent question! Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers. Different types of materials (liquid vs. solid, rigid vs. softer) determine the speed of the waves. Bending of the waves occurs at the layer's boundaries. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.



THATS WITH QUESTION 1
Now 2

Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges. Divergent boundaries also form volcanic islands which occur when the plates move apart to produce gaps which molten lava rises to fill.




I hoped this helped...

~♥ ashlynn
6 0
3 years ago
Read 2 more answers
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