Home
Class 10
BIOLOGY
Why is the sinoatrial node called t...

Why is the sinoatrial node called the pacmaker of heart ?

Text Solution

Verified by Experts

Sinoatrial node is called the pacemaker of the heart because it is capable of initiating impulse, which can stimulate the heart muscles to contract.
Promotional Banner

Topper's Solved these Questions

  • TRANSPORTATION IN PLANTS AND CIRCULATION IN ANIMALS

    FULL MARKS|Exercise Textbook Evaluation Questions Solved ( Give reasons for the following statements.)|6 Videos

  • TRANSPORTATION IN PLANTS AND CIRCULATION IN ANIMALS

    FULL MARKS|Exercise Textbook Evaluation Questions Solved (Long answer questions.)|5 Videos

  • TRANSPORTATION IN PLANTS AND CIRCULATION IN ANIMALS

    FULL MARKS|Exercise Textbook Evaluation Questions Solved ( Answer in a word or sentence. )|6 Videos

  • STRUCTURAL ORGANISATION OF ANIMALS

    FULL MARKS|Exercise Additional Questions (IX. Higher Order Thinking Skills(HOTS)|3 Videos

  • VISUAL COMMUNICATION

    FULL MARKS|Exercise Additional Question Solved ( Long Answers:)|2 Videos

Similar Questions

Explore conceptually related problems

Assertion : Sino-atrial node (SAN) is called the pacemaker Reason : SAN generates the maximum number of action potentials and is responsible for intiating and maintaining the rhythmic contractions of the heart.

Why is the blind spot called so ?

Why is the Rh factor so called?

Why is it called so?

Why are Echinoderms so called?

Why are the coronary arteries so called?

Why is the teeth of rabbit called heterodont?