Science Final 35-1
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What are the levels of organization in a multicellular organism?
- Tissues(epitheilia, connective, nervous, and muscle)
- Organ system
What does the epithilial tissue do?
supports the body and connects its parts
What does the conective tissue do?
includes glands and tissues that cover interior and exterior body surfaces
What does teh nervous tissue do?
along with bones, enables the body to move
What does the muscle tissue do?
transmits nerve impulses through the body
Circulatory system(4 things)
brings oxygen, nutrients, and hormones to cells; fights infection; removes cell wastes; helps to regulate temperature
Digestive system(3 things)
converts food into simpler molecuels that can be used by the cells of the body; absorbs food; eliminates waste
Endocrine system(2 things)
controls growth, development and etabolism; maintains homeostasis
Excretory system(1 thing)
eliminates waste products form the body in ways that maintain homeostasis
Integumentary system(3 things)
serves as a barrier gainst infection and injury; helps to reuglate temperature; provides protection agains ultraviolet radiation from the sun
Lymphatic/immune system(2 things)
helps protect the body from disease; collects fluid lost from blood vessels and returs it to the circulartory system
Muscular system(2 things)
works with the skeletal system to produce voluntary movement; helps to circulate blood and move food throught he digestive system
Nervous system(1 thing)
recognizes and coordinates the body's response to changes in its internal and external environments
Reproductive system(2 things)
Produces reporductive cells; in females, nurtures and protects developing embryo
Respiratory system(1 thing)
provides oxygen needed for cellular respirations and emoves excess carbon dioxide from the body
Skeletal system(5 things)
supports the body; protects the internal organs; allows movement; stores mineral reserves; provides a site for blood cell formation
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