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5.D1 Mrs. Jensen
Respiration and Excretion
13
Science
5th Grade
05/04/2011

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Term
respiratory system 5.D1
Definition
is the group of organs that take oxygen from the air and remove carbon dioxide from the body.
Term
mucus 5.D1
Definition
is a sticky liquid produced by the linings of the nose and other body parts that open to the outside.
Term
trachea 5.D1
Definition
is the tube that leads from the throat toward the lungs, also called the windpipe.
Term
inhale 5.D1
Definition
is to breathe in.
Term
bronchial tube 5.D1
Definition
is one of the pair of tubes that branch off from the trachea and go into the lungs.
Term
air sac 5.D1
Definition
is one of the tiny pouches in the lungs in whih the exchange of oxygen and carbon dioxide takes place.
Term
exhale 5.D1
Definition
is to breathe out.
Term
diaphragm 5.D1
Definition
is the large muscle below the lungs that helps you breathe.
Term
capillary 5.D1
Definition
is a tiny blood vessel with thin walls through which oxygen, nutrients, and wastes pass.
Term
excretory system 5.D1
Definition
is the group of organs that get rid of cell wastes.
Term
kidney 5.D1
Definition
is one of the pair of organs of the excretory system that filter cell wastes from blood.
Term
urine 5.D1
Definition
is a liquid formed in the kidneys consisting of nitrogen wastes, some salts, and extra water.
Term
urinary bladder 5.D1
Definition
is a muscular, baglike organ that stores urine until it leaves the body.
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