The most common type of lever system in the body is the

A) class I lever.
B) class II lever.
C) class III lever.


Answer: C) class III lever.

Anatomy & Physiology

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Which of the following is used to reduce friction between the layers of membranes surrounding the heart?

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Platelets become sticky when exposed to which of the following?

A) prostacyclin B) thrombin C) serotonin D) von Willebrand factor E) fibrin

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The common iliac artery is an example of which type of artery?

A) arteriolar B) elastic C) connective D) muscular E) vascular

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What structure transports both urine and semen from the penis?

A) ductus deferens B) urethra C) seminal vesicles D) None of the listed responses is correct.

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