单元三 人类的排泄和排遗.pptx
TRANSCRIPT
:
(sweat) (urine) (carbon dioxide)
,,?????
: ____________
: ______________: ____________
: ______________: ____________
: ______________/ (anus)..,,.
??,??:::
TRANSCRIPT
:
(sweat) (urine) (carbon dioxide)
,,?????
: ____________
: ______________: ____________
: ______________: ____________
: ______________/ (anus)..,,.
??,??:::