The Developing Human Organism from 9 Weeks After Conception to Birth

question 7

Multiple Choice

The developing human organism from 9 weeks after conception to birth is known as a(n)

• A) embryo.
• B) fetus.
• C) zygote.
• D) ovum.

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Definitions:

Stomach

A dilated, saclike, distensible portion of the alimentary canal below the esophagus and before the small intestine.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles, often used as a dietary supplement to treat insomnia.

Pineal Gland

A small endocrine gland in the brain that produces the hormone melatonin, which regulates sleep patterns.

Regulating Sleep Patterns

The practice of managing sleep habits to ensure consistent, quality rest and overall health.