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Heart Beat

CBSE VII Science Transportation in Animals and Plants

heart beat increases in case of vigorous exercises
 

Asked by arajeevshashank 2nd November 2017 1:40 PM
Answered by Expert

ICSE X Biology The Circulatory System

Plz answer 9th ques

Asked by lovemaan5500 28th January 2018 8:39 PM
Answered by Expert

ICSE VIII Biology The Circulatory System

give reason four heart valves are present in the heart.

Asked by nathsantanukumar 3rd May 2018 9:11 AM
Answered by Expert

CBSE X Biology Life Processes

sir can you tell me which factor depends on the bitting or contiueity of heart and how that factor is produced ?

Asked by krishdabhoya2003 22nd June 2018 8:44 PM
Answered by Expert

CBSE X Biology Control and Coordination

why our heart pumps much  faster when we are afaid if something,or when we are very much exited.

Asked by ABHILASHA 14th July 2018 8:40 PM
Answered by Expert

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