F.2 Interactive Science的問題

F.2 Interactive Science的問題:
1. The__________ contains receptors for detecting chemicals in the air.
2. The skin contains receptors that detect_________ , __________ and stimuli that cause pain.
3. The part of the brain which is involved in thinking is called the_________ .
4. The transmission of sound needs a _________ . Sound cannot travel in a vacuum.
5. The blind spot is the place on the retina where the ______________________ leaves the eye.