How bones attach to each other and to muscles and how this aids movement

1 answer:

7 0

Answer:

Tendons connect the bones.

Explanation:

The muscles are connected to bones through tendons, and this way the contraction of the muscle helps the movement of the bones through them.

The muscles work in pairs and in this way they move. While one muscle is contracting, the other one relaxes.

The muscles work in a form of contraction-relaxing. The flexor contracts to bend a limb at a joint.

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stellarik [79]

The balance between the chemical and electrical forces pushing potassium through potassium channels and across the membrane is represented by the potassium equilibrium potential.
At the equilibrium potential of potassium, which is -80mV, there is no net movement of potassium ions.

<h3>At potassium's equilibrium potential, what happens?</h3>

At equilibrium, the electrical potential gradient across the membrane precisely balances the gradient of K+ concentration.
There is no net migration of K+ from one side to the other, despite the fact that K+ ions continue to traverse the membrane via channels.

<h3>How does potassium diffuse in order to influence the membrane potential?</h3>

Potassium ions will flow down their concentration gradient, or towards the exterior of the cell, because the membrane is permeable to them.
Although the membrane is not permeable to sodium, there is a concentration gradient that favors sodium diffusion in the opposite direction.

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makkiz [27]

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