Radience

Human Body Systems

Science

Watch Lesson: Human Body Systems

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a blood vessel that carries blood away from the heart
Watch artery Simple Definition
a tiny blood vessel that allows the exchange of gases, nutrients, and waste products
Watch capillary Simple Definition
the system of the heart, blood, and blood vessels, it moves oxygen, nutrients and waste
Watch circulatory system Simple Definition
the movement of molecules from an area of higher density to an area of lower density
Watch diffusion Simple Definition
the system of organs that breaks down food into nutrients for use by the body
Watch digestive system Simple Definition
the muscular tube connecting the mouth to the stomach
Watch esophagus Simple Definition
the organ that filters water and waste from blood
Watch kidney Simple Definition
the organ that removes water from undigested food
Watch large intestine Simple Definition
the organ system made up of muscles that help the body move
Watch muscular system Simple Definition
the brain, spinal cord and nerves which relay information
Watch nervous system Simple Definition
the organs that transfer oxygen from the air to the body, like the nose, trachea and lungs
Watch respiratory system Simple Definition
all the bones in the body that support it, help it to move, and protect internal organs
Watch skeletal system Simple Definition
the long organ where most food digestion occurs, it connects to the stomach
Watch small intestine Simple Definition
the muscular sac like organ that stores urine
Watch urinary bladder Simple Definition
a blood vessel that carries blood to the heart
Watch vein Simple Definition

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