It’s saddle hope this helps !!
To prevent a health risk from poor sanitation.
Answer:
Targeted exercise should improve the performance of a certain task. Repetition of specific exercises will help improve the given task.
Rick is overweight and will soon get hypertension. Which diet is best for Rick?
Out of all the answers shown above the one that best represents the diet that is best for Rick who is in risk of getting hypertension is answer choice A) A diet high in fiber and low in fats and sugars.
I hope it helps, Regards.
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).
