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Intro. Human Body

Facts on Body Systems

TermDefinition
Digestive System breaks down food and absorbs nutrients
Immune System Fights Disease
Circulatory System Delivers oxygen and nutrients to the cells (in the blood) throughout our body and removes carbon dioxide and water waste from our cells
Respiratory System Exchanges Oxygen and carbon dioxide between blood and air by way of the lungs
Muscular System Allows body movement
Skeletal System provides support, protection and joints for movement
Nervous System Detects sensation which controls body reactions
Excretory System Removes waste from the body
Heart and blood vessels belong to what body system? Circulatory System
Trachea, bronchi, lings, and diaphram belong to what body system? Respiratory System
Brain and nerves belong to what body system? Nervous System
The 5 levels of Biological Organization from the most simple to the most complex cells- tissue- organ- organ system- organism
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