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nikdorinn [45]
3 years ago
7

Please help and thanks

Biology
1 answer:
faust18 [17]3 years ago
8 0
I believe the answer is B
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When there is direct contact what is the name of a disease by this which is spread?
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Infectious Disease Epidemiology Programs primary purpose is to study the ... <span>Contact Diseases</span> are transmitted when an infected person has direct bodily contact with an ... are found on the skin but do not cause illness it is called " colonization. ... a bacterium found in rodents and their fleas in many areas around the world.
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Read each description below and determine whether or not it describes a function or property of cerebrospinal fluid. Identify wh
Ostrovityanka [42]

Answer:

Produced by the choroid plexus -T.This is the major secretion site.It is also produced in smaller quantities in the interstitial compartment.

Blocks blood toxins from brain tissue-F, that is the job of  the blood brain barrier(BBB).

Supplies oxygen to the brain tissue-T.This gas is dissolved  in the CSF together with CO2 for distribution among nervous tissues by the CSF

Maintains the concentration of glycine surrounding the brain-T

Found in the ventricles of the heart and brain-False,it does not reach the heart ventricles.This are occupied by blood.

Prevents concussions-T

Produces antibodies in response to antigen exposure in the brain tissue-False.These are produced by the B-cells, not by in the CSF,based on the  specif antigen stimulation.

Effectively decreases the brain's weight-T It reduces the weight of the brain.This is done by the buoyancy it provided for the brain.

Compared to levels in the blood plasma, the CSF is higher in glucose-F.This is wrong, the glucose of the blood plasma is higher.But equal sodium ion,more chloride in CSF, and less protein.It s levels is a relefection of blood glucose.Although it may lag 2-4hrs in the CSF.

It prevents concussion,(T)and and the contraction of cardiac muscles propels its movement(T).

Explanation:

7 0
3 years ago
Please help me with this problem
melisa1 [442]

Answer:

A

Explanation:

7 0
3 years ago
after seeing lightning flash you hear the clap of Thunder 5 seconds later how far away is the lightning (speed of sound=340 m/s)
Alecsey [184]

So sound travels 1 kilometer in roughly 3 seconds and 1 mile in roughly 5 seconds. When you see the flash of a lightning bolt, you can start counting seconds and then divide to see how far away the lightning struck.

3 0
3 years ago
How long does it take energy from the center of the sun to reach the surface ?
Dennis_Churaev [7]

Answer:

100,000 years

Explanation:

A photon of light takes only eight minutes to get to the Earth from the surface of the Sun. But it can take 100,000 years from the core of the Sun to get to the surface. Where it bursts out and flies at the speed of light.

8 0
3 years ago
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