Exam 22: Growth and Development

One of the first signs of labor is the rupture of the "bag of waters."

The process of the expulsion of the placenta through the vagina ends labor.

The circulatory system,gonads,and muscles develop from the primary germ layer called the

Match each term with its definition or description. -Embedding of the blastocyst into the uterine wall

Match each term with its definition or description. -Term used to describe the development of tissues

The prenatal period begins at

In older adulthood,the costal cartilage begins to soften,leading to a condition called "barrel chest."

The fertilized egg is called a morula.

The amnion is the bridge between the mother and baby wherein food and oxygen are exchanged for carbon dioxide and waste products.

The thymus gland and the thyroid gland develop from the same primary germ layer.

After ovulation,the egg discharged by the ovary first enters the fimbriae of the oviduct.

The brain,spinal cord,and lens and cornea of the eye develop from the primary germ layer called the

Which of the following developmental periods is the longest?

The circulatory system and the muscles develop from the same primary germ layer.

The terms conception and fertilization refer to the same thing.

The baby's first breath is stimulated primarily by the lack of oxygen in the blood.

When a baby is born,it has only one spinal curve,adults have two.

After about 3 days,the fertilized egg becomes a mass of cells called a

Childhood extends from infancy to sexual maturity.

Match each term with its definition or description. -Source of nutrients in birds,but produces blood cells in humans