If the hyoid bone is not attached to another bone why is it so important?

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The hyoid acts as an attachment point for muscles in the neck region to connect the muscles in the lower jaw region. It allows for the muscles to make a right angle at the junction of the lower jaw and throat. The hyoid serves as a movable base for the tongue and its horns are attachment points for neck muscles that raise and lower the larynx during speech and swallowing.

Anatomy & Physiology

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A stab wound to the buttocks produces a sharp pain that travels from the gluteal region along the posterior side of the thigh and leg as far as the ankle. Which nerve was damaged?

A. Femoral B. Pudendal C. Sciatic D. Obturator E. Iliohypogastric

Anatomy & Physiology

Which of the following hormones is regulated by the anterior pituitary?

a. parathyroid hormone b. cortisol c. aldosterone d. insulin e. TRH

Anatomy & Physiology

In what way do mast cells participate in tissue defense?

a. antigen presentation bound to class II MHC proteins b. secretion of suppression factors that inhibit the immune response c. stimulation and coordination of inflammation by release of histamine and heparin d. destruction of cell membranes containing abnormal antigens

Anatomy & Physiology

Explain the difference between filtration and osmosis

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Anatomy & Physiology