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Explain the Skeletal System?
Skeletal System: The support framework, or skeleton, in the human body is composed of mostly hard mineral substances. Unlike crustaceans or insects who possess external skeletons (exoskeletons), humans have internal skeletons, or endoskeletons.
The human skeleton is divided into two parts, the axial skeleton and the appendicular skeleton. The axial skeleton includes the spine; the ribs; the sacrum, five united vertebrae at the end of the spinal column; the sternum or breastbone; and the cranium, or braincase. The appendicular skeleton contains 126 bones, including those of the arms, legs (the appendages), pelvis, and shoulders.
In addition functioning in locomotion, bones serve as mineral storage reservoirs and as protective cages -- the cranium protects the delicate brain tissue, ribs protect lungs, heart and other internal organs, and the backbone protects the spinal cord.
Mas s Extinction - Since beginning many species evolved and got extinct (in fact only 1 % is living). Sometimes it occured suddenly at large scale, (most recently dinosa
Functionality of cellulose Cellulose has many uses as an anticaking agent, emulsifier, stabilizer, dispersing agent, thickener and gelling agent, but these are generally subsid
Q. Extractive use of biodiversity? This includes direct use such as harvesting of wild plant species for use as food, fuel, fodder, fibre, shelter or medicine and hunting anima
Q. How in the respiratory chain do electrons from NADH2 and FADH2 passing through cytochromes liberate energy for the ATP synthesis? What is this ATP synthesis called? NADH2and
FUNCTION S OF TESTOSTERONE - (a) It stimulates the growth and development of male secondary sex organs like the seminal vesicles, prostate and penis. It also helps to maintain
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Explain the chemical properties of milk Autoclaving milk, wherein temperature of around 121 o C is achieved, causes browning. The brown colour is due to the heat effecting an i
Q. What do you mean by Cytotaxonomu and biosustematics? Towards the end of the 19 th century and in the early years of the 20th century, botanists were faced with a problem of
how biochemical evidence proof DNA as a genetic material?
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