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North Carolina End-of-Course Coach

Mammary Glands

Specialized organs in mammals that produce milk to nourish the young`


A large, dome-shaped muscle at the bottom of the ribs forces air into and out of the lungs.


An animal whose body controls and regulates its temperature by controlling the internal heat it produces.

Placental mammals

Give birth to young that have developed on the mother's uterus until their body systems are fully functional.


is an organ in pregnant females that passes nutrients and oxygen to and remove waste from the developing embryo.

Umbilical cord

The connecting cord from the developing embryo or fetus to the placenta.


mammals in which the young have a short period of development within the mother's baby. After which they experience a period of development inside a pouch.


A mammal that lays eggs.

What are the three species of monotremes?

The three species of monotremes are the platypus and 2 species of echidna (spiny anteaters).

Why are the teeth of mammals different?

They are specialized to eat different types of food.

What are the three subclasses of mammals?

1, Placental mammals
2. Marsupials
3. Monotremes

Mammals nurse their young until when?

Until the young are able to digest and absorb solid food.

What are the functions of the molars?

to grind food

What are the functions of the canine teeth?

to grad and hold food

What are the functions of incisors?

to bite and cut food

How chambers are in the heart of a mammal?

Four chambers

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