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nln pax anatomy and physiology 2024 Latest Set
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nln pax anatomy and physiology 2024 Latest Setpharynx - Correct Answer-throat; passageway for food to the
esophagus and air to the larynx
larynx - Correct Answer-voice box
contains vocal cords
bronchi - Correct Answer-The passages that branch from the trachea
and direct air into the lungs
bronchioles - Correct Answer-small subdivisions of the bronchi that are
dead ends with tiny air sacks called alveoli at the end
alveoli - Correct Answer-tiny sacs of lung tissue specialized for the
movement of gases between air and blood
diaphragm - Correct Answer-Large, flat muscle at the bottom of the
chest cavity that helps with breathing
increasing diaphragm pressure = - Correct Answer-forces outside air
into the lungs and increases the pressure forces exhaled air out of lungs
,exhaled air has more ___ than inhaled air - Correct Answer-carbon
dioxide and water
how gas exchange occurs during respiration (for blood to become
oxygenated) - Correct Answer-capillaries surround alveoli
gas exchange occurs across alveolar membrane via diffusion
diffusion during gas exchange between alveoli and capillaries - Correct
Answer-blood picks up the oxygen and carries it back to the heart
carbon dioxide is exhaled
how do you test CO2 levels in exhaled air? - Correct Answer-lime water
( turns cloudy)
bromythymol blue (turns yellow)
what controls the rate of breathing? - Correct Answer-nervous system
in response to carbon dioxide levels in the blood
protein (enzymes, end products and important locations) - Correct
Answer-1. proteases
2. amino acids
3. starts in the stomach, completed in SI
,lipids (enzymes, end products, and important locations) - Correct
Answer-1. lipases
2. fatty acids and glycerol
3. SI
diarrhea is result of - Correct Answer-peristalsis of feces through colon
too quickly so water is NOT reabsorbed
constipation is result of - Correct Answer-too little peristalsis which
means too much water is reabsorbed
circulation - Correct Answer-internal transport of fluid throughout body
circulatory system made up of - Correct Answer-cardiovascular system
&
lympatic system
cardiovascular system made up of - Correct Answer-heart
blood vessels
blood
function of valves - Correct Answer-prevent back flow when ventricles
contract
, mechanical digestion - Correct Answer-Part of digestion that uses
movement and muscles to break down food into smaller pieces
digestion - Correct Answer-breaking down nutrients into small, soluble
molecules that can be absorbed into the blood
chemical digestion - Correct Answer-the digestion process in which
enzymes are used to break foods into their smaller chemical buiding
blocks
occurs via hydrolysis
hydrolysis - Correct Answer-A chemical process that lyses, or splits,
molecules by the addition of water; an essential process in digestion.
enzymes - Correct Answer-molecules, usually proteins or nucleic acids,
that act as catalysts in biochemical reactions
used in chemical reactions
humans digestion tube extends from - Correct Answer-mouth to anus
called alimentary canal
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