Matching Pairs HUMAN BIOLOGYOnline version LINK NAME AND DEFINITION by Guy Kruse 1 cardiovascular system 2 muscle tissue 3 nervous tissue 4 connective tissue 5 tissue 6 hormone 7 epithelial tissue 8 organ 9 cells 10 organ system Group of similar cells working together. Basic unit of structure and function of a living organism; the basic unit of life. Layers of tightly packed cells that line the surfaces of the body. Group of nerve cells that sense stimuli and transmit signals; found in brain, spinal cord, and nerves. Structure made of two or more tissues that work together. Group of cells that are all involved in supporting and binding other tissues of the body; i.e. tendon, cartilage, bone, and blood. Organs that work together to serve a common purpose. A chemical messenger molecule. Organ system made up of the heart, blood, and blood vessels. Bands of cells that contract and allow movement.
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