Science Facts Set-7

• Carbon's catenation property is responsible for the formation many organic compounds.
• Anaesthetics are drugs that cause reversible loss of pain (sensation). The two types of anaesthetics are general anaesthetics and local anaesthetics.
• Light from the Sun takes only 8 minutes to reach the Earth.
• Carbohydrates contain only Carbon, Hydrogen and Oxygen.
• There are about 5000 species of frogs living on Earth. Frogs are amphibious creatures.

• Thymus is a bi-lobed mass of lymphoid tissues present above the heart.
• Copper is a reddish brown metal whose melting point is 1083 degrees centigrade.
• Gregor Johann Mendel is the father of Genetics.
• Silicon is the second most abundant element in the Earth's crust next to Oxygen.
• Our tooth is made up of a substance called dentine which is harder than bone.