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Respir/Excretion 2
All the vocabulary for Level 2 of the Respiration & Excretion menu.
| Question | Answer |
|---|---|
| breathing | air moving in and out of the lungs |
| cellular respiration | a process where oxygen (from breathing) is used to break down sugar (glucose) to make energy |
| inhale | to take air into the lungs by contracting the diaphragm |
| exhale | to force air out of the lungs, by relaxing the diaphragm and make the chest cavity smaller |
| cilia | tiny hairlike structures in the nasal cavity that sweep dust and mucus to the back of the throat |
| lung cancer | uncontrolled cell growth in the lung tissue, that is usually caused by smoking |
| bronchitis | a disease often caused by smoking, where the bronchi constrict (get smaller), and too much mucus is produced, allowing bacteria to grow |
| constrict | to get smaller or to shrink |
| emphysema | a disease of the lungs where the alveoli stop working properly |
| asthma | a rapid constriction (shrinking) of the bronchial tubs, causing shortness of breath, wheezing, or coughing |
| tar | a poisonous chemical in cigarette smoke |
| nephron | the microscopic filtering units in the kidneys |
| dialysis | the process of having a machine filter waste from the blood, used for people whose kidneys have failed |
| liver | an organ that aids in digestion and excretion |
| skin | the largest organ in the body, excretes water and wastes through sweat |
| kidneys | two bean-shaped organs at waist level (along your back) that filter waste (urea) from the blood |
Created by:
rhk9
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