In the "Typical" Menstrual Cycle, Day 13 or 14 Is

question 59

Multiple Choice

In the "typical" menstrual cycle, day 13 or 14 is when:

• A)menstruation begins.
• B)ovulation occurs.
• C)the corpus luteum disintegrates.
• D)progesterone levels peak.
• E)estrogen levels reach their lowest point.

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Definitions:

Valves

Structures in the heart and veins that maintain blood flow in one direction, preventing backflow.

Systemic Circulation

The part of the cardiovascular system that carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart.

Right Ventricle

The chamber within the heart that is responsible for pumping oxygen-depleted blood to the lungs for oxygenation, located in the lower right portion of the heart.

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, distributing oxygenated blood to all parts of the body.