Digestion of carbohydrates begins at the site labeled
Digestion of fats begins at the site labeled
An acidic environment is provided for digestion in the organ labeled
No digestion takes place here; only some water and water-soluble nutrients are absorbed.
Substances that aid in the digestion of fats are produced by the organs labeled
4 and 7
1 and 2
5 and 6
2 and 3
The products of protein digestion are
simple sugars
amino acids
glycerol and fatty acids
nucleic acids
The products of carbohydrate digestion are
simple sugars
amino acids
glycerol and fatty acids
nucleic acids
The products of fat digestion are
simple sugars
amino acids
glycerol and fatty acids
nucleic acids
Skeletal muscle can be described as
Muscles lining the digestive tract move food through by a process known as peristalsis. These muscles can be described
Skeletal muscles work in antagonistic pairs known as
flexors and extensors
origin and insertion
smooth and striated
voluntary and involuntary
Muscles receive stimulus to contract from
brain cells
sensory neurons
motor neurons
hormones
The only enzyme that digests fat in humans in produced by the __________________ and is secreted into the _____________________.
pancreas / small intestine
liver / stomach
stomach / small intestine
thyroid / large intestine
The energy source for all muscle contraction is provided by the molecule
ATP
DNA
glucose
RNA
Red marrow produces
white blood cells
antibodies
red blood cells
fat
The purpose of yellow bone marrow is
red blood cell production
fat storage
white blood cell production
tendon attachment
Muscle groups known as flexors move a joint toward the body by ______________________; muscle groups known as extensors move a joint away from the body by __________________________.