S.A. Node and A.V. Node. - Vidyadip

Question

S.A. Node and A.V. Node.

✓

Answer

S.A. Node	A.V. Node
1. Sinoatrial node is present in the right ventricle near the opening near the opening of the superior vena cava.	1. Atrioventricular node is present in the right ventricle near the opening of the coronary sinus.
2. S.A. node is the pacemaker of the heart and it starts atrial systole.	2. A.V. node starts ventricular systole through bundles of His and Purkinje’s fibre system.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions." from Respiration and Circulation→Respiration and Circulation — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

Functional aspects of ecosystem.

Why are cloning vectors necessary in cloning? Name any two such vectors that are used in experiment with E. coli.

What is a terminator in a transcription unit? Where is it located in a structural gene? Mention its significance in transcription.

Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes under a microscope, which sample would you carry and why?

List the key tools used in recombinant DNA technology.

Can a disease be detected before its symptoms appear? Explain the principle involved.

Suggest two practices giving one example of each, that help protect rare or threatened species.

Explain the mechanism of sex determination in human being.

Explain the function of reservoir'in nutrient cycle. List the two types of nutrient cycles in nature.

Explain why the term ‘homozygous’ and ‘heterozygous’ with respect to an X–linked trait are applicable to human females but not to human males?