Biology : Human Organ Systems III

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: Fill in the blanks | Match the Columns

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1.
Bronchi are _______ in number.

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2.
There are total _______ premolars in an adult human being.

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3.
Heart is divided into _______ chambers.

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4.
Kidneys are the main _______ organs.

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5.
Oral cavity remains moist due to presence of a fluid known as _______.

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6.
An average human adult has _______ teeth.

First letter clue

7.
_______ is the organ of smell.

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