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miskamm [114]
3 years ago
7

What is the primary role of the respiratory system in living organisms

Biology
2 answers:
m_a_m_a [10]3 years ago
7 0
The answer to what is the primary role of the respiratory system in living organisms is B. To obtain oxygen
Nady [450]3 years ago
3 0
The primary purpose of the respiratory system in living organism is to obtain oxygen (B) so to sustain life. Respiration is an essential function of many living organisms and the respiratory system plays a vital role in this process.
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An isotope undergoes radioactive decay by emitting radiation that has no mass. What other characteristic does the radiation have
lisabon 2012 [21]

Since the radiation has no mass .It is Gamma radiation.

Step by Step Explanation:

Characteristics of Gamma radiation are as follows:

  • Gamma radiations are chargeless.
  • It is Electromagnetic wave having a very short wavelength.
  • It is not effected by the electric or magnetic field.
  • It has velocity equal to light in vaccum .
  • It has a very high intensity and can penetrate long distances.
  • It has a very low ionizing power. i.e. it does not ionize the medium in whic it travels.

Gamma radiation has proved itself to be very useful in radioactive treatment of cancer due to its high penetrating power.  

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3 years ago
How can 2 different ligands produce similar cell responses?
Alborosie

Answer:

The same ligand can bind to different receptors causing different responses (e.g.. acetylcholine). On the other hand, different ligands binding to different receptors can produce the same cellular response (e.g. glucagon, epinephrine).

Explanation:

8 0
3 years ago
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Which of the following organic molecules is a source of carbon, nitrogen, and phosphorus
hammer [34]

Petroleum, and carbon. It's an organic thing and has the sources provided.

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2 years ago
in an effect to reduce global warming, individuals and companies have been buying ------------------to fund restorative projects
SOVA2 [1]
Carbon offsets I believe
5 0
3 years ago
Which neural pathway carries crude information about a threatening stimulus and activates a rapid instinctual alarm response?
Olin [163]

The correct answer is

B. the thalamus→amygdala pathway

The neural pathway carries crude information about a threatening stimulus and activates a rapid instinctual alarm response is the thalamus→amygdala pathway

The thalamus→amygdala pathway is also known as the the path of fear. The thalamus transfers signal to other parts of the brain that causes the release of adrenaline and stress hormones.


4 0
2 years ago
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