In October 2011, the World Population Reached

question 51

Multiple Choice

In October 2011, the world population reached:

• A) seven billion.
• B) two billion.
• C) nine million
• D) four billion.

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Definitions:

Bulbourethral Gland

A gland in males that secretes a lubricating mucus fluid into the urethra during sexual arousal.

Vestibular Gland

Glands located near the vaginal opening responsible for secreting fluid that lubricates the vagina.

Clitoris

Located anterior to the urethral opening in females. It contains erectile tissue and is rich in sensory nerves.

Spermatogenic Cells

The cells that give rise to sperm cells.