Emily and Her Husband Are Thrilled as They Peer into Emily's

question 318

Multiple Choice

Emily and her husband are thrilled as they peer into Emily's uterus by means of an ultrasound. The physician reports that the pregnancy appears normal, and that their baby's fingers, toes, heart, and circulatory system are developing as expected. The couple learns that the baby is only an inch long. Given this information, the current stage of prenatal development is the ________.

• A) embryonic period
• B) germinal period
• C) zygotic period
• D) fetal stage

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Definitions:

Transport

The movement of substances across cell membranes and throughout the body.

Exocrine

Glands that secrete their products through ducts either out of the body or into the digestive system, unlike endocrine glands, which secrete hormones directly into the blood.

Possesses Ducts

Refers to glands or organs that have tube-like structures to convey their secretions to other locations.

Endocrine

Relating to glands that secrete hormones directly into the bloodstream to regulate the body's processes.