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An endothermic vertebrate with a four-chambered heart, skin covered with fur or hair, and young fed with milk from the mother's body. Mammal
An organ in female mammals that produces milk for the mammal's young. Mammary Gland
A large muscle located at the bottom of a mammal's rib cage that functions in breathing. Diaphragm
A mammal that lays eggs. Monotreme
A mammal whose young are born alive at an early stage of development, and which usually continue to develop in a pouch on their mother's body. Marsupial
The length of time between fertilization and birth of a mammal. Gestation Period
A mammal that develops inside its mother's body until its body systems can function independently. Placental Mammal
A membrane that becomes the link between the developing embryo or fetus and the mother. Placenta
Created by: laurenwvu