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scoundrel [369]
3 years ago
5

What health consequence of tobacco use does this video primarily address?

Health
1 answer:
Nadya [2.5K]3 years ago
3 0

Answer:

number 1

Explanation:

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N76 [4]

Answer: 2,1,1,2:1

Explanation:

5 0
3 years ago
Which of the following resources would NOT necessarily help you become more health literate?
wel

Answer:

A.) Your peers

Explanation:

The library would help, your health care provider would help, and your parents or a trusted adult would help, but your peers probably wouldn't.

5 0
3 years ago
What job do veins carry out?
Komok [63]
Most veins carry deoxygenated blood from the body back to the heart. 
8 0
3 years ago
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Compare the distribution of ion channels along unmyelinated versus myelinated axons and explain how this accounts for the differ
zloy xaker [14]

Answer:

Myelinated Axons; leak channels are insulated by myelin leading to less loss of current flow and better conduction velocity. Ion channels omly located at nodes of ranvier; thus signal has sultatory conduction along myelin sheaths and jumps and move much quicker

Demyelinating diseases; along locations where myelin sheaths once was current links occur and conduction slows, the signal cannot make it very far because it looses energy as it travels through the axon

Unmyelinated axon; Ion channels are sequentially placed all along axons; thus it takes longer to send signal down axon. the energy isn't leaked out, it still contains the same signal but it is simply slower. distance between voltage gated channels needs to be small enough so local current flow can depolarize the membrane.

N/B; Harder to generate action potential in demyelinating disease

axon diameter( bigger diameter= less resistance= faster current).

4 0
3 years ago
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What is the relationship between the amplitude of a wave and the rate of energy transfer?
Anit [1.1K]
The large the amplitude the large the rate of energy transfer
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