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Wednesday, March 3, 2010

Some Important Biological Facts

Some Important Biological Facts
Largest egg:- Struthio (Ostrich)
Longest cell:- Neuron
Largest animal:- Blue Whale
Largest Terrestrial Animal:- Loxodonta (African elephant)
Largest bird:- Struthio (Ostrich)
Largest snake:- Python
Largest living lizard:- Varanus (Monitor lizard)
Largest living reptile:- Crocodylus (Marine Crocodile)
Largest teeth:- Tusk of elephant
Largest human muscle:- Gluteus maximus
Deadly poisonous Snake:- Hydrophis (Sea snake)
Smallest animal:- Babesia (Parasitic Protozoa)
Smallest bird:- Humming bird of Cuba
Smallest mammal:- Shrew
Connecting link between Reptiles and birds:- Archaeopteryx
Primitive mammal:- Echnida (Egg laying)
Poisonous lizard:- Heloderma (Gila monster)
Living fossil reptile:- Sphenodon
Flying lizard:- Draco
Desert lizard or Horned toad:- Phrynosoma
Pigeon milk is from:- Crop glands of pigeon
Flying fish:- Exocoetus
Largest gland in body:- Liver
Largest endocrine:- Thyroid
Blood gland:- Found in Pheretima
Brunner's gland:- Duodenum and secretes mucous
Ceruminous gland:- External ear
Conglobate gland:- Male cockroach
Collaterial gland:- Female cockroach
Cowper's gland:- Reproductive tract of Male rabbit
Green gland:- Antenna of Prawn (Excretory in function)
Harderian gland:- Eye of mammalsSome Important Biological Facts elephant
Abdominal testes:- Elephant, whale, etc.
Ink gland:- Sepia (Protective in function)
Lachrymal (tear) gland:- Eye of mammals
Mammary gland:- Mammals only
Mehli's gland:- Reproductive organ of Fosciola
Meibomian gland:- Eye of mammal
Mushroom gland:- Male cockroach
Phallic gland:- Male cockroach
Preen gland:- Birds
Sebaceous gland:- Skin of mammal
Sweat gland:- Mammals only
Utricular gland:- Male cockroach
Zeis gland:- Eye lashes of vertebrate
Louise Joy Brown is world's first test tube baby.
Total species existing today are 5 to 30 millions.
Origin of universe: 10-15 billion years ago.
Origin of life: 3.6-4.0 billion years ago.

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