Aqueous humor is produced at the ciliary body and returns to the circulation after it drains into the ________.

Fill in the blank(s) with the appropriate word(s).


canal of Schlemm or scleral venous sinus

Anatomy & Physiology

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Which statement regarding the relaxation phase of a muscle twitch is true?

A) The phase begins at stimulation and typically lasts about two milliseconds. B) Muscle tension falls to resting levels. C) The action potential sweeps across the sarcomere during this period. D) Tension rises to a peak. E) Cross-bridges are interacting with active sites on actin filaments throughout this period.

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Which stage of cancer is the most difficult to treat?

A. Stage 1 B. Stage 2 C. Stage 3 D. Stage 4

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Starch, glycogen, and cellulose are all examples of ____

a. carbohydrates b. lipids c. proteins d. nucleotides

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Which of the following substances found in semen is mismatched with its function?

A. fructose - nourishes sperm B. mucous - lubricates urethra C. fibrinogen - transient coagulation of semen D. prostaglandins - cause urethral contractions E. prostaglandins - cause uterine contractions

Anatomy & Physiology