Home
Class 11
BIOLOGY
heart beat initiates from:...

heart beat initiates from:

A

Auriculo ventricular node

B

Sino-auricular node

C

Bundle of His

D

Purkinje fibres

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    MODERN PUBLICATION|Exercise EXAMPLE|17 Videos

  • BIOMOLECULES

    MODERN PUBLICATION|Exercise EXAMPLE|11 Videos

  • BREATHING AND EXCHANGE OF GASES

    MODERN PUBLICATION|Exercise EXAMPLE|16 Videos

Similar Questions

Explore conceptually related problems

What is rate of heart beat in a normal adult person?:

Give the term for the period betwent he end of one heart beat to the end of next heart beat.

Thirty women were examined in.a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows. Find the meanheart beats per minute for these women, choosing a suitable method.

These questions consist of two statements each,printed as Assertion and Reason.While asnwering these questions you are required to choose any one of the following four responses. Assertion:Volume of blood ejected from the ventricles in one heart beat is called cardiac output. Reason:Cardiac output increases with the increase in body size of organism.

1 Joule of energy is used for one heart beat. Calculate the power of the heart if it beats 72 times in one minute.

Note the relationship between the first two words and suggest a suitable word for the fourth place: Increase in heart beat : Sympathetic::Decrease in heart beat...... .

What will be the frequency of Mohan's heart when it beats 75 times in 1 minute ?