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Ch 5 Respiratory and Excretory
Final Exam Flashcards
23
Science
6th Grade
06/11/2006

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Cards

Term
respiration
Definition
Energy-releasing process that is fueled by oxygen, where each body cell burns up the food it gets from the blood & releases the energy locked within the food only if it gets enough oxygen. In addition to energy, carbon dioxide & water are produced during respiration
Term
nose
Definition
organ through which air enters the respiratory system
Term
epiglottis
Definition
small flap of tissue that closes over the trachea (windpipe)
Term
trachea
Definition
windpipe; carries air from the nose to the lungs
Term
larynx
Definition
voice box; organ that contains the vocal cords
Term
vocal cords
Definition
fold of tissue stretched across the larynx that vibrates with the movement of air to form sounds
Term
bronchus
Definition
tube that branches off from the trachea and enters the lung
Term
lung
Definition
main respiratory organ
Term
alveolus
Definition
grapelike clusters of round sacs in the lungs; site of gas exchange
Term
diaphragm
Definition
dome-shaped muscle that aids in breathing
Term
excretion
Definition
process by which wastes are removed from the body
Term
kidney
Definition
main excretory organ
Term
nephron
Definition
microscopic chemical filtering factory in the kidneys
Term
capsule
Definition
cup-shaped part of the nephron
Term
ureter
Definition
tube that carried urine from a kidney to the urinary bladder
Term
urinary bladder
Definition
muscular sac that stores urine
Term
urethra
Definition
tube through which urine leaves the body
Term
liver
Definition
organ that produces bile
Term
skin
Definition
outer covering of the body
Term
epidermis
Definition
top layer of the skin
Term
dermis
Definition
bottom layer of the skin
Term
to get oxygen into the body and carbon dioxide out of the body
Definition
What is the main task of the respiratory system?
Term
nose, throat, larynx, trachea, bronchi & lungs
Definition
What does the respiratory system consist of?

(Hint: Nine Tiny Lizards Taught Boring Lessons)
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