Biology
TYPES OF HEARTS
Types | Seen in |
One-chambered | In invertebrates |
2-chambred | Fishes |
3-chambered | Amphibians and some reptiles |
Incompletely 4-chambered | Certain reptiles |
4-chambered | Crocodiles, birds & mammals |
13-chambered | Cockroach |
Pulsating heart | Earthworm |
Tubular heart | Cockroach |
Venous heart | Fishes |
Myogenic heart | Frog, rabbit, man etc |
Neurogenic heart | Invertebrates |
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Ommatidia Serve The Purpose Of Photoreception In
A) Cockroach B) Frog C) Humans D) Sunflower The correct answer is: A) Cockroach...
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Tacycardia
Term: taxycardiaLiterally meaning: ?accelerated heart?Origin: Anc Greek?????/tachys (=rapid or accelerated)+??????/cardia(=heart) according Meletios(7th-8th cen AD) the term derived probably from verb ????????/kradeno (=rattle, rock). Coined/History(?)DefinitionTachycardia...
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Amphibian
Term: ampibian Origin: Anc Greek ????/amphe(-on both kinds) + ????/bios(=life) à having a doubtful nature Coined : by Carl Linnaeus who in 1758 in the 10th edition of Systema Naturae described theAmphibia as a polyphyletic group including amphibians,...
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Body Fluids And Circulation
Click here for PDFCirculation is the transport of nutrients, oxygen, CO2 and excretory products to the concerned tissues or organs.For circulation, simple organisms (sponges, coelenterates etc) use water from their surroundings....
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Heart, Blood & Blood Vessels- Facts
The human body has approximately 37,000 miles of capillaries.The aorta, which is largest artery located in the body, is about the diameter of a garden hose.Women hearts beat faster than men.Three years after a person quits smoking, there chance of having...
Biology