Blood and its composition
Blood is mainly composed of plasma, RBC's, WBC's and platelets. Plasma contributes 55% of total blood and blood cells contributes 45% of total blood cells.
How blood group is determined?
Onion contains 2 types of chemicals, sulfur and the enzyme synthase. When enzyme synthase reacts with sulfur they produces a a sulfur containing compund which is volatile.
Why do onion makes us cry?
Onion contains 2 types of chemicals, sulfur and the enzyme synthase. When enzyme synthase reacts with sulfur they produces a a sulfur containing compund which is volatile.
Metabolic water
The water which is created in our body by metabolism of carbohydrates, proteins and fats.
Second Pendulum
The pendulum whose time period is 2 second is called second pendulum. On earth the length of second pendulum is 1m.
What's in camel's hump?
Camel's hump is made up of fats. They breaks that fats and utilize water when they are unable to access food for long time.
Camel
Camel can drink 100 litres of water within 10 mins and they excrete concentrated urine.
Kangaroo rat
Kangaroo rat lives in desert areas and they can live without drinking water. They can jump upto 9 feet in one jump.
Buffer Solution
The solution which resist change in pH when small amount of strong acid or base or even water is added to it is called buffer solution.