Chapter 30.1, Problem 3MI

Solution

To write:

The correct vocabulary term in the left column for each definition.

Introduction:

Mammals are the vertebrates whose body is covered with hair which is an identifying feature of the mammals. Most of them are viviparous and have mammary gland to feed young. They have developed brain and four-chambered heart.

Term	Definition
Mammary gland	Produces and secretes milk that nourishes developing young
Diaphragm	Sheet of muscle located beneath the lungs that separates the chest cavity from the abdominal cavity; its contraction and relaxation allows air to move into and out of the lungs.
Cerebral cortex	Highly folded outer layer of the cerebrum; responsible for coordinating conscious activities, memory, and ability to learn.
Cerebellum	Part of the brain responsible for balance and coordinating movement.
Gland	Group of cells that secretes fluid to be used elsewhere in the body.
Uterus	Saclike muscular organ in which embryos develop.
Placenta	Organ that provides food and oxygen to and removes waste from the developing young.
Gestation	Amount of time the young stay in the uterus until they are born.