Alcohol ingestion by a pregnant woman can cause birth defects in her baby; alcohol is a(an)

A. carcinogen.
B. mutagen.
C. teratogen.
D. oncogene.
E. haptogen.


C

Anatomy & Physiology

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Which structure caps the head of a mature sperm and enables the sperm to penetrate an egg?

A. Nucleus B. Axoneme C. Flagellum D. Acrosome E. Mitochondria

Anatomy & Physiology

The enlarged tip of the penis is called the ________.

Fill in the blank(s) with correct word

Anatomy & Physiology

Answer the following statements true (T) or false (F)

1. One of the first signs of labor is the rupture of the “bag of waters.” 2. The birth weight of a baby usually triples by age 4 months. 3. Boys start and finish their early-teen growth spurt earlier than girls. 4. In older adulthood, the costal cartilage begins to soften, leading to a condition called “barrel chest.” 5. The prenatal period is the time before birth.

Anatomy & Physiology

All of the following are human organ systems except ________.

A. reproductive B. skeletal C. epidermal D. endocrine E. lymphatic

Anatomy & Physiology