MEDIUM
11th West Bengal Board
IMPORTANT
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The oxygenated blood from the lungs is returned to the left atrium through Pulmonary .

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Important Questions on Body Fluids and Circulation

MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 13
Tunica adventitia is made of _____ connective tissue.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 16

The arteries and veins are joined by _____ in the tissue.

MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 17

At the end of atrial contraction, immediately, the _____contraction starts.

MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 20
From beat to beat cyclical changes of the heart is called _____.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 21

The normal duration of the ventricular _____ is 0.3 seconds.

MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 22

In normal cardiac cycle the duration of isometric relaxation is_____seconds.

EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 23
Blood pressure is the _____ pressure against the walls of blood vessels.
MEDIUM
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 16 - Body Fluids and Circulation>EXERCISE>Q 24
The average normal value of systolic blood pressure is _____mm Hg.