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Biology Facts & Trivia - Page 2

A red blood cellRed blood cells have no nucleus. Sciensational.comSubmitted by: Adarsh - Patna, India

AlgaeAs much as 70% oxygen in our atmosphere is produced by marine plants and algae. Sciensational.comSubmitted by: Think - United States

BacteriaThe biomass of all bacteria on Earth is more than all the plants and animals combined. Sciensational.comSubmitted by: Bookworm - Greenbrier, Tennessee, United States

SynthiaThe synthetic biological cell "Synthia" is the first living organism whose parent is not a living thing but a computer. Sciensational.comSubmitted by: Hyde - Toronto, Ontario, Canada

DNAHumans share 60% of DNA with a banana. Submitted by: Grant - Philadelphia, Pennsylvania, United States

Femur BoneThe femur (thigh bone) is the largest and longest bone in the human body. Sciensational.comSubmitted by: Glen

JawThe jaw is the strongest muscle in the human body in terms of exerting force. Submitted by: Vineet - India

MayflyAn adult Mayfly's life is as short as a few minutes, but its body hatches for about a year. Sciensational.comSubmitted by: Pronoy - Sundargarh, India

Fingernails The nails on long fingers grow faster than short fingers; and fingernails grow four times faster than toenails. Submitted by: Micael Gabriel - Manila, Philippines

DNA There's about 1.8m (6 ft) long DNA inside every cell nucleus in our body, and an average adult body contains around 50 trillion (million million) cells. Sciensational.comSubmitted by: Steve - Boston, Massachusetts, United States

Bird with magnetoreception compassSome migratory birds have a "magnetic compass" in their body (a sense called Magnetoreception) to help them navigate using Earth's magnetic field. Sciensational.comSubmitted by: Akki - Dubai, United Arab Emirates

CatfishThe catfish father keeps the eggs in his mouth until they are ready to be hatched. Sciensational.comSubmitted by: Reedell

Water Bear  TardigradeThe tiny Water Bear (Tardigrade) can survive environments extreme enough to kill any other animal - with temperatures as low as -273°C close to Absolute Zero to as high as 151°C. Submitted by: Justin - Vancouver, British Columbia, Canada

Cornea in the eyeCorneas are the only tissues that don't require blood. Sciensational.comSubmitted by: Pritesh Jain - Sirohi, Rajasthan, India

Giant Kelp AlgeaThe Giant Kelp algea (Macrocystis pyrifera) is the fastest growing organism on earth and can grow at a rate of 70cm (two feet) a day. Sciensational.comSubmitted by: Edmer Aguilar

Dolphin asleepDolphins only "sleep" half awake - keeping one eye open while consciously breathing and floating on surface. Submitted by: Jeevan - Kathmandu, Nepal

Length of forearmThe length between your elbow and hand (forearm) equals the length of your foot. Sciensational.comSubmitted by: Alyssa

arms stretchedIf you fully stretch your arms out, the fingertip to fingertip length is almost exactly your body height. Submitted by: Alyssa

LungsThe lightest organ in the human body is the lung. Sciensational.comSubmitted by: Michael Vincent Sotto

Turritopsis nutriculaA kind of jellyfish (Turritopsis nutricula) upon reaching adulthood can transform itself back to childhood by converting its cells. It may repeat this to live forever. Sciensational.comSubmitted by: Nunnally