The Greatest Proportion of the Tooth Shell Consists Of

question 7

Multiple Choice

The greatest proportion of the tooth shell consists of:

• A) enamel.
• B) dentin.
• C) gingivae.
• D) cementum.

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Definitions:

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Secretory Phase

A phase of the menstrual cycle following ovulation where the endometrium prepares for potential implantation of an embryo.

Uterine Cycle

The monthly cycle of changes in the uterus, including menstruation, in preparation for possible pregnancy.

Progesterone

A hormone released by the ovaries involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species.