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mojhsa [17]
4 years ago
14

6. Red blood cells are made in the marrow. What two systems are

Biology
1 answer:
earnstyle [38]4 years ago
4 0

Endocrine and nervous systems .

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In which stage of pertussis is the characteristic whooping sound made?
maksim [4K]

Answer:

paroxysmal

Explanation:

Pertussis is highly contagious and acute respiratory disease which is caused by bacteria Bordetella pertussis.

The disease has 3 types of  stages which are catarrhal stage, paroxysmal stage, and convalescent stage.

<u>The paroxysmal stage of the Pertussis is characterized by the episodes of the coughing with a distinctive sound which is known as whopping during the process of inspiration. </u>

This type of cough gives disease the common name which is called Whooping Cough.

5 0
3 years ago
What is the purpose of B cells?
Digiron [165]

Answer:

The function of B cells is to make antibodies against antigens

Explanation:

3 0
4 years ago
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What type of mass movement takes place in areas covered with permafrost when the surface layer melts in the summer A: Creep B: E
aksik [14]
Solifluction takes place in areas where permafrost exists.so it's C.Hope this helps:)
8 0
3 years ago
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Does a vaccine work on someone who is already sick? Why?
Mariana [72]
No, because the immune system is already battling with the virus or disease
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3 years ago
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Which environment is most likely to be characterized by dry scrub with frequent fires?
Katyanochek1 [597]

Environments likely to be characterized by the presence of dry scrubs and frequent wildfires are those that lack the presence of rain and suffer high sunlight hours.

When referring to the terrestrial biomes that meet the characteristics described, we can include:

  • <u>Temperate grasslands</u>
  • <u>Cold deserts</u>

The temperate grassland/cold desert biomes have:

  • cold and dry winters
  • hot, dry summers
  • Extended sunlight hours

This biome is very dry, and the harsh weather makes it difficult for plants to grow, leading to their <em>dry scrub</em> characteristic. This biome also experiences frequent wildfires due to the <u>intense sunlight and lack of rain to which it is exposed.</u>

To learn more visit:

brainly.com/question/11839824?referrer=searchResults

4 0
3 years ago
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