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