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Science ch 1

lesson 1

How is your body organized? the levels of organization in the human body consist of cells tissues organs and organ system.
Muscle Tissues can contract or shorten makes body move
Nervous Tissues directs and controls processes, caries electrical messages back and forth between the brain and other organs
Connective Tissues provides support for body and connects all its parts. examples are bone tissue and fat tissue
Epithelial Tissue covers the surfaces of body inside and out. example- skin
Skin protects delicate structure beneath. example- lining of digestive system/ example of Epithelial tissue
Organ System a group of major organs that work togheter
Organ made up of different kinds of tissue
Skeletal System bones, cartilage, ligaments, tendons
What does the Skeletal System do? supports body protects internal organs, allows movement, stores mineral, produces blood cells
Circulatory System heart, blood vessels
What does the Circulatory System do? transports oxygen, nutrients, wastes. fights infection, and helps regulate body tempature
Digestive System breaks down food, absorbs nutrients, removes food waste
Excretory System skin, lungs, liver, kidneys, urinary blader, urethra
What does the Excretory System do? removes waste products from the body
Nervous System brain, spinal cord, nerves
What does the Nervous System do? controls body's responses to changes in the inside and outside environments
Endocrine System glands, such as the thyroid, pancreas, adrenals, ovaries, testes, and others
What does the Endocrine System do? controls growth, development, and energy processes: helps maintain homeostasis
Created by: Ella!