Class notes
anatomy
- Course
- BIOL 2220- Anatomy
- Institution
- Clemson University
Lecture notes of 3 pages for the course BIOL 2220- Anatomy at Clemson University (Great)
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Anatomy Exam 41.What part does the digestive system play in getting the body’s cells what they need for cellular
respiration?
The digestive system breaks down food into simpler molecules like glucose ,
which are absorbed into the bloodstream and
transported to cells , where they are used in cellular respiration to produce Alp for energy.
2. What is the interface of the gut with the external environment anatomically speaking? {No,
not the mouth}
Anus
3. What are the four stages of food processing? Why does crossing the plasma membrane matter
to gut function?
key to digestion nutrients crossing -
1. Ingestion plasma membranes
mechanical mastication
.
2 Digestion chemical enzymatic breakdown The crossing of the plasma membrane is important
. Absorption
3 main function
for gut function because it lets nutrients from digested
4
. Elimination indigestible food to enter the cells of the
remove
digestive tract and then
Substances+ wastes
more into the bloodstream or lymph This allows nutrients
.
like
glucose ,
amino acids and ,
fatty acide to reach cells through
4 What is broken in chemical digestion? out the body. The membrane controls which nutrients
plasma
.
carbohydrates are absorbed.
Proteins
fats 4
. In the “train of thought,” what does the
nucleic acids body’s cells get from food? {go further than
4
“fuel.”}
. What process does this breaking?
Enzymes break the bonds in these
molecules by adding water a process
,
called enzymatic hydrolysis.
catabolic =
breakdown
4
. What do three of the four macromolecules
get broken down to?
carponydrates simple sugars
Proteins amino acids
fats Glycerol Fatty acids
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