Shared Flashcard Set

Details

The Human Body
Respiratory and Circulatory System
17
Science
7th Grade
05/26/2011

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Cards

Term
Breathing
Definition
A physical process of taking air in and pushing it out of the lungs.
Term
Glucose
Definition
Fuel for cellular respiration
Term
One cell thick
Definition
The thickness of alveoli and tiny blood vessels called capillaries
Term
Absorption
Definition
Oxygen is absorbed in alveoli.
Nutrients are absorbed in small intestine by villi
Term
Oxygen
Definition
A gas breathed in with air, needed for cellular respiration, carried by red blood cells.
Term
Alveoli
Definition
Tiny sacs in lungs (300,000,000). This is the location for gas exchange in the lungs.
Term
Red Blood Cells
Definition
Cells in the blood that carry oxygen and carbon dioxide throughout the body (bus)
Term
Mitochondria
Definition
Tiny sausage shaped structure in the cell where cellular respiration occurs.
Term
Carbon Dioxide and Water
Definition
Waste products produced by cellular respiration.
Term
Cellular Respiration
Definition
A form of oxidation (oxygen used to release energy) that takes place in cells in the mitochondria.
Term
Cellular Respiration Formula
Definition
Fuel & oxygen --> energy & waste (H20 & CO2)
Term
Ribs
Definition
The bones that protect your lungs.
Term
Pleura
Definition
A membrane that encloses each of the lungs.
Term
Mucus
Definition
The slimy liquid inside your nose and lungs that help to trap dirt from the air. This slimy liquid also helps to keep body passages moist and clean.
Term
Diaphragm
Definition
The dome-shaped sheet of muscle that forms the bottom of the chest cavity.
Term
Nasal Passage
Definition
When you breathe in through your nose, air enters this and will continue towards the pharynx.
Term
Bronchial Tubes
Definition
The passage that allows air to travel from your mouth and nose to your lungs.
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