1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zepler [3.9K]
2 years ago
5

Astrocytes and tight junctions create a barrier to viruses and bacteria known as

Biology
1 answer:
Soloha48 [4]2 years ago
4 0
<span>Answer:The blood-brain barrier (BHE)

 BHE is a barrier that's highly permeability selective and protects the central nervous system  from potential dangers like viruses, bacteria and parasytes that may be circulating int he blood. <span>It is composed of endothelial cells, astrocytes, pericytes.</span></span>
You might be interested in
Which statement accurately describes Darwin’s experience on the Beagle? A. He had a eureka moment and understood how species evo
svlad2 [7]

C --> He collected a vast amount of data and observations that fueled later theories

3 0
3 years ago
After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be
Triss [41]
<h3><u>Question</u><u>:</u><u>-</u></h3>

After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be:-

A. used as a nutrient by plants

B. fix by bacteria in the soil

C. absorbed into the atmosphere by lightning

<h3><u>Answer</u><u>:</u><u>-</u></h3>

B. fix by bacteria in the soil

<h3><u>Explanation</u><u>:</u><u>-</u></h3>

  • These bacteria are known as nitrogen-fixing bacteria.
  • These nitrogen-fixing bacteria convert nitrogen in the soil to ammonia. Ammonia can be taken up by plants.
4 0
2 years ago
Imagine that a geologist finds a sedimentary rock with ripple marks in it.
Brilliant_brown [7]

Answer:

There are many things that can be read from ripple marks in sedimentary rocks. To start, a geologist looks at: the types (sizes, composition, shapes) of grains in the rock, the height of the “waves”, the distance between peaks (highs) and troughs (lows), whether the rock seems to be lying in its original position, and the internal shapes of the ripples (by looking at the edges of broken pieces). They also seek to determine the age of the rock and information about other rocks lying below and above the specific rock.

8 0
3 years ago
What is the unit of density (ρ)?
vodka [1.7K]

Answer:

The SI unit for density is: kilogram per cubic metre

kg |m ^{3}

5 0
3 years ago
Read 2 more answers
2 Points<br> Which is true about scientific theories?
ss7ja [257]

Answer:

based on scientific research

no true amount of science can be used to explain them

Explanation:

3 0
2 years ago
Other questions:
  • The complex of dna, rna, and associated proteins that gives shape to the chromosome is called
    5·1 answer
  • Which organism in the food web below is likely to store the least energy?
    15·1 answer
  • Which map shows the high point of a mountain
    6·1 answer
  • Heres the photo your welcome
    8·2 answers
  • Identify the body systems that protect from pathogens?
    10·1 answer
  • When a cell copies its DNA (replication), the original DNA ladder is broken apart and new nucleotides are added to the center. T
    5·1 answer
  • Match each description to the appropriate tool. measures a variety of data, including pH levels and conductivity measures temper
    9·2 answers
  • Can youuuuu help me plsss
    14·2 answers
  • Nigel lives near a chemical plant that spews sulfur dioxide into the air. At first, Nigel could not stand the smell of the gas i
    11·2 answers
  • How is hydro electricity produced step by step explanation ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!