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Grade 4 A-4 Sci. Def

Human Body Systems

tissue A group of cells of the same type
organ A group of tissues of different kinds working
together to perform a task
cardiac muscle A type of muscle that works the heart
smooth muscle A type of muscle found in the walls of some organs such as the stomach
striated muscle A muscle with light and dark stripes; a muscle you can control by thinking
lungs The main organs of the respiratory system
capillary A tiny blood vessel that allows gases and nutrients to pass from blood to cells
heart The muscle that pumps blood through your blood vessels to all parts of your body
artery A blood vessel that takes blood away from the heart
vein A large blood vessel that returns blood to the heart
brain The control center of your nervous system
neuron A nerve cell
nerve A group of neurons that carries signals from the brain to the body and from the body to the brain
spinal cord The tube of nerves that runs through your spine
esophagus The tube that connects your mouth with your stomach
stomach A bag made up of smooth muscles that mixes food with digestive juices
large intestine The last part of the digestive system where water is removed from food
Created by: scscolts