What clinical thermometer is made of
Allbutt’s thermometer for measuring body temperature.
- Glass capillary tube — has part. A fine channel for mercury.
- Mercury bulb — has part. A lower ball.
- Capillary constriction — has part. It keeps the mercury from falling — the thermometer “holds” the reading.
- Thermal expansion — uses. The mercury column rises when heated.
- Glass — is made of. A glass tube.
- Mercury — is made of. Mercury expands when heated.