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Respiratory & Excret
Respiratory & Excretory Science
Term | Definition |
---|---|
Alveoli | Tiny, thin walled, grapelike clusters at the end of each bronchiole that are surrounded by capillaries, where carbon dioxide & oxygen exchange take place. |
Bladder | Elastic, muscular organ that holds urine until it leaves the body. |
Bronchi | 2 short tubes that branch off the lower end of the trachea & carry air into the lungs. |
Larynx | Airway to which the vocal cords are attached. |
Diaphragm | Muscle beneath the lungs that contracts & relaxes to move gases in & out of the body. |
Kidney | Bean-shaped urinary system organ that is made up of about 1 million nephrons and filters blood, producing unrine. |
Nephron | Tiny filtering unit of the kidney. |
Pharynx | Tubelike passageway for food, liguid, and air. |
Ureter | Tube that carries unrine from each kidney to the bladder |
Trachea | Air-conducting tube that connects the larynx with the bronchi, is lined with mucous membranes and cila, and contains stong cartilage rings. |
Urethra | Tube that carries urine from the bladder to the outside of the body. |