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Andrew [12]
2 years ago
7

Consider the roles of valves and blood vessel walls in moving blood through the body. If you were given a piece of flexible tubi

ng and a small piece of plastic, how might you design a simple model that would simulate those roles?
Biology
1 answer:
Shtirlitz [24]2 years ago
3 0
<span>The tube is like a blood vessel, and the plastic is just like the valves. The plastic piece in the tube opens when the water flows in the correct direction and close when water backflows. </span>I hope that this is the answer that you were looking for and it has helped you.
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Explain the difference between bactericidal and bacteriostatic antibiotics.
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Answer:

Explanation:

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The bactericidal antibiotics can be defined as those antibiotics, which kills the bacteria.

The example of bacteriostatic antibiotic is Tetracycline  that it inhibit the bacteria ribosome production of proteins. This way bacterial growth and reproduction will get restricted.

The example of bacteriocidal antibiotic is polymyxin B. It causes injuries to the plasma membrane of the bacteria which can be lethal for bacteria.  

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Within to the rock cycle, which of the following is NOT correct?
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Did you get the answer

Explanation:

Pls help

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How could communication play a role in animals from two species competing for the same prey? A They would communicate with one a
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C

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