Describe the Differences Between the Bones of the Lower and Upper

question 85

Essay

Describe the differences between the bones of the lower and upper limb and briefly state why these differences exist.

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Definitions:

Conduction

Transfer of energy, such as heat, from one point to another without evident movement in the conducting body.

Glial Cells

Non-neuronal cells in the central and peripheral nervous system that support and protect neurons.

Blood-Brain Barrier

The blood-brain barrier is a semi-permeable barrier of endothelial cells that prevents most substances in the blood from non-selectively crossing into the brain, protecting it from pathogens and toxins.

Myelin Sheaths

Protective covering made of fat and protein that surrounds nerve fibers, facilitating the rapid transmission of nerve impulses.