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Biology

WCHS Biology Chapter 32

WordDefinition
Gland in mammals, a cell or group of cells that secretes fluids
Mammary Gland modified sweat glands in female mammals, which produce and screte milk to feed their young
Diaphragm in mammals, the sheet of muscles located beneath the lungs that separates the chest cavity from the abdominal cavity; expands and contracts the chest cavity, which increases the amount of oxygen entering the body
Placental Mammal mammals that give birth to young that have developed inside the mother's uterus until their body systems are fully functional and they can live independently of their mother's body
Uterus in females, the hollow muscular organ in which the offspring of placental mammals develop
Placenta organ that provides food and oxygen to and removes waste from young inside the uterus of placental mammals
Gestation time during which placental mammals develop inside the uterus
Marsupial subclass of mammals in which young develop for a short period in the uterus and complete their development outside the mother's body inside a pouch made of skin and hair
Monotreme subclass of mammals that have hair and mammary glands but reduce by laying eggs
Therapid reptilian ancestors of mammals that had features of both reptiles and mammals
Created by: dmoudy
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