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Integumentary System: the external covering protects deeper tissues from injuries
Muscular System: The skeletal muscles allow movement and facial expressions; maintains posture and produces heat.
Endocrine System: Secreted hormones regulate growth, reproductions metabolism using body cells
- Skeletal System: protects and supports body organs, a framework in order for muscles to cause movement, blood cells formed inside, stores minerals
Cardiovascular system: blood vessels transport blood carrying oxygen, CO2, nutrients, wastes, etc.; the heart pumps blood
Nervous System: Control system of the body, responds to any changes by activating the correct muscles and glands
11 Organ Systems