Cells to Body Systems

14 terms by the4smiths1 

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Protist

A single-celled organism with a nucleus and organelles

Tissue

A group of cells that work together to perform a certain function

cell

the basic unit of structure and function of living things

cell membrane

the thin covering that surrounds every cell

nucleus (cell)

the part of a cell that directs all of the cell's activities

cytoplasm

the jellylike material inside a cell between the cell membrane and the nucleus

organ system

a group of organs that work together to do a job for the body

digestive system

the organ system that turns food into nutrients that body cells need for enegry, growth, and repair

circulatory system

the organ system made up of the heart, blood vessels, and blood that transports materials throughout the body

respiratory system

the organ system, including the lungs, tat exchanges oxygen and carbon dioxide between the body and the environment

skeletal system

the organ system, including the bones,that protects the body and gives it structure

muscular system

the organ system that includes the muscles and allows the body to move

nervous system

the organ system including the brain, spinal cord, and nerves that senses your surroundings and controls other organs

excretory system

the organ system, including the kidneys and bladder, that removes waste materials from the blood

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