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What effect do sodium slow channels have on shortening or lengthening the contraction time of the heart muscle?
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What effect do calcium slow channels have on shortening or lengthinging the contraction time of the heart muscle?
They cause long refractory period
Why does the exact spot where the Sun rises shifts a little everyday?
because the earth rotates on an axis. No. It's the effect of the tilt of the Earth's axis relative to its orbital plane, so lengthening and shortening the days steadily as we move through the seasons.
Is the Doppler effect is an apparent change in the resonance of sound?
I believe it is more than just sound, it applies to light as well. It is actual, not apparent. It is the shortening of the wavelengths as it approaches and the lengthening of them as they get further away. This may not be the actual scientific name, but it is the idea.
What is contraction of muscles?
"Muscle contraction begins with an electrical nerve impulse that results in a release of Ca2+ ions into the myosin-actin structure. The calcium ions in turn produce conformational changes that result in the sliding of the threads through each other, shortening the myosin-actin structure. The collective effect of this process is the contraction of the muscle."
Can you freeze shortening?
No, it would effect the chemistry of the oil.
What effect does the contraction Of the bicep have on the arm?
potato
Does stretch have any effect on skeletal muscle contraction?
yes skeletal muscle stretch by means of contraction.
What is inotropic effect?
A drug or substance the effects heart muscle contraction.
What is effect of contraction and relaxation of the ciliary muscle?
change in shape of lens.
Effect of sympathetic innervation to muscularis mucosa?
contraction of smooth muscle
Your vhf marine radio is stuck on US channels how can you get it to switch back to international channels pressing the switch key has no effect?
of course its 12 channels...it's obvious!
What effect does contraction of external intercostal muscles have on thoriac volume and how is this accomplished?
both of them
