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Science

TermDefinition
Cell the basic building blocks of life
Nucleus the control center of the cell that contains the DNA
Cell Membrane a layer on the outside of the cell that holds the cell together
Cytoplasm the jellylike substance that fills the cell membrane
Unicellular Organism an organism that can survive as a single cell
Tissue a group of cells that works together on a similar job
Organ a group of tissues that work together to accomplish a particular function
Organ System a group of organs that work together to perform an important function of the body
Active Transport requires energy to move a substance into or out of a cell
Passive Transport is a type of membrane transport that does not require energy to move substances across cell membranes.
Multicellular Organism plants and animals that have different cells to carry out different functions
Transport to move people or goods from one place to another
Microscopes a science tool that uses lenses to make tiny things look larger so they can be observed
Circulatory System the group of organs that work together to move blood throughout the body
Cardiovascular System another term for the circulatory system
Heart the organ in the circulatory system that pumps blood throughout the body
Blood a tissue made of blood cells floating in a liquid: carries materials throughout an animal’s body.
Vessels a part of the circulatory system and function to transport blood throughout the body
Respiratory System the group of organs that work together to take oxygen and release waste gasses
Nose is the body's primary organ of smell and also functions as part of the body's respiratory system
Trachea the tube in the respiratory system that connects the mouth and nose with the bronchi
Lungs the two organs in the respiratory system that take oxygen from the air and release waste gasses into the air.
Skeletal System the group of bones, cartilage, and other tissues and organs that work together to hold the body up, give it shape, protect inner organs, make blood cells and produce movement when muscles pull on bones
Bones is an organ that forms the skeleton
Muscular System the group of organs that cause movement of body parts.
Muscles an organ in the muscular system that contracts and relaxes to produce movement
Digestive System the group of organs that work together to break food down into nutrients that the body can use.
Mouth where digestion begins
Esophagus the tube in the digestive system that connects the mouth to the stomach
Stomach the organ in the digestive system that churns food and mixes it with digestive juices
Large Intestine the organ in the digestive system that removes water from undigested wastes before they leave the body
Small Intestine the organ in the digestive system that finishes breaking down food with digestive juices and absorbs nutrients
Created by: 1266354247
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