Fertilization Occurs When the

question 131

Multiple Choice

Fertilization occurs when the

• A)oocyte ruptures from the ovary.
• B)oocyte is implanted in the uterus.
• C)sperm head enters the zygote.
• D)nuclei of the secondary oocyte and the sperm cell unite.
• E)sperm enter vagina.

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Definitions:

Aorta

Originating from the heart's left ventricle and stretching to the abdomen, it is the body's biggest artery, responsible for delivering oxygen-rich blood to the circulatory system.

Right Ventricle

A chamber of the heart that pumps deoxygenated blood to the lungs for oxygenation via the pulmonary artery.

Ventricular Contraction

The phase of the cardiac cycle in which the ventricles of the heart contract, pumping blood out of the chambers.

Apex

The top or highest part of something, such as the pointed end of the heart that points downward to the left.