Hydrogen
Fe
Water
Pistil
Hearing, sight, smell, touch and taste
The Aorta
Mercury
Carbon dioxide
Helium
Iron
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Hydrogen
Fe
Water
Pistil
Hearing, sight, smell, touch and taste
The Aorta
Mercury
Carbon dioxide
Helium
Iron
A barometer
Oxygen and Hydrogen
Carbon Monoxide
Thomas Edison
Vitamin D