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Human Body

Science

Human Body Chapter Video

Human Body Chapter Video

artery

a blood vessel that carries blood away from the heart
artery Simple Definition

capillary

a tiny blood vessel that allows the exchange of gases, nutrients, and waste products
capillary Simple Definition

circulatory system

the system of the heart, blood, and blood vessels, it moves oxygen, nutrients and waste
circulatory system Simple Definition

digestive system

the system of organs that breaks down food into nutrients for use by the body
digestive system Simple Definition

esophagus

the muscular tube connecting the mouth to the stomach
esophagus Simple Definition

muscular system

the organ system made up of muscles that help the body move
muscular system Simple Definition

neuron

a nerve cell that carries impulses in the nervous system
neuron Simple Definition

respiratory system

the organs that transfer oxygen from the air to the body, like the nose, trachea and lungs
respiratory system Simple Definition

skeletal system

all the bones in the body that support it, help it to move, and protect internal organs
skeletal system Simple Definition

vein

a blood vessel that carries blood to the heart
vein Simple Definition

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