Biology Facts & Trivia - Page 3
The normal energy used by our brain is 0.1 calories per minute, and could go up to 1.5 during activities such as puzzle-solving. Sciensational.com While only 2% in weight, the human brain requires 15% of the body's heart work, 20% of oxygen and 25% of all glucose. For every 1000 red blood cells in our body, there is only about one white cell. Sciensational.com
The human heart has enough pressure to squirt blood up to 30 feet away. Sciensational.com An Octopus has three hearts. The Methuselah tree in California, USA, is the oldest living organism (4,800 years old) known today. Sciensational.com The Giant Burrowing Frog doesn't croak. It hoots like an owl. Honeybees have remained unchanged in form or structure for 20 million years. Sciensational.com |
An alligator may go through 2000 to 3000 teeth in a lifetime. Whales were once land mammals that moved to the sea and adapted to marine life. Sciensational.com The tongue of a blue whale is bigger than a taxi cab, and can weigh as much as an elephant. There are more insects in a single square mile of fertile soil than there are people on the entire earth. The longest recorded distance flown by any chicken is 301.5 feet (about 92 meters) in 13 seconds. Elephants can hear through their feet. Bananas are actually giant herbs - related to the orchid family. The adult heart pumps about 7,500 litres of blood every day. There are more bacteria and microbes in our body than actual cells that make up the body. An ostrich's eye is bigger than its brain. |
The electric eel of South America (Electrophorus electricus) can generate over 600 volts, and can paralyze even a horse. 
Armadillos spend about 80% of their lives asleep.