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Why Do We Need Oxygen?
Terms in this set (25)
The largest organs in the respiratory system and gas exchange takes place in the lungs.
The windpipe; a passage through which air moves in the respiratory system,;carries air between larynx and bronchi
muscular partition that separates the thoracic cavity from the abdominal cavity and aids in respiration by moving up and down
the two tubes that connect the lungs with the trachea
small tubes that branch off the bronchi that contain clusters of alveoli at each end.
thin-walled microscopic air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place. eacdh alveolus has a thin wall - only one cell thick - and is surrounded by very thin capillaries.
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated.
comes from the Latin word alveus meaning hollow space or belly.
tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body
the process by which cells obtain energy from carbohydrates; atmospheric oxygen combines with glucose to form water and carbon dioxide, process of producing ATP by breaking down carbon-based molecules when oxygen is present. In addition to releasing energy , cellular respiration releases carbon dioxide and water.
1.cellular organelles where cellular respiration occurs, powerhouse of the cell,2. the organelles in which nutrients are converted to energy, 3.cellular organelles where cellular respiration occurs
simple sugar that is used to make ATP through cellular respiration
adenosine triphosphate, an organic molecule that acts as the main energy source for cell processes; composed of a nitrogenous base, a sugar, and three phosphate groups
a process that requires oxygen
describes a process that does not require oxygen
What are the major organs of the Respiratory system?
nasal passages, pharynx, larynx, epiglottis, traches, lungs, bronchi, bronchioles, alveoli, and diaphragm.
How are oxygen and glucose used by cells?
Oxygen and glucose are used by cells to produce energy rich ATP molecules needed to maintain cellular metabolism. This process is called cellular respiration.
What is the function of the respiratory system?
The function of the respiratory system is to sustain cellular respiration by supplying oxygen to body cells and removing carbon dioxide waste from cells.
How many processes can the repiratory system be dividedx into and what are they?
The repiratory system can be divided into two processes: 1) breathing, and 2. Respiration/
The mechanical movement of air into and out of your lungs.
The exchange of gasses between the atmosphere and blood , which occurs in the lungs.
The exchange of gases between the blood and the body cells.
purpose of cellular respiration
process that breaks down food to produce energy that cells can use
How do the respiratory and circulatory systems work together to get oxygen to our cells
The repiratory and circulatory systems work together to maintain homeostasis
internal stability or "steady state" maintained by the body; equalibrium
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