5 we have 650 of them. they are elastic fibers.
a. skin
b. intestines
c. muscles
d. kidneys
6 long tubes folded up inside your stomach.
a. lungs
b. muscle
c. intestines
d. kidneys
correct answer Po
a. skin
b. intestines
c. muscles
d. kidneys
6 long tubes folded up inside your stomach.
a. lungs
b. muscle
c. intestines
d. kidneys
correct answer Po
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Answer:
5 we have 650 of them. they are elastic fibers.
a. skin
b. intestines
c. muscles
d. kidneys
6 long tubes folded up inside your stomach
a. lungs
b. muscle
c. intestine
d. kidneys