![Trending Articles on Technical and Non Technical topics](/images/trending_categories.jpeg)
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
(a) What is meant by 'heart beat'? What is the usual heart beat rate at rest?
(b) What change occurs in heart beats if a person runs for a while? Why?
(a) Heart beat: One complete contraction and relaxation of the heart is called a heart beat. The usual heartbeat rate at rest in a healthy person is 72 times /minute.
(b) The heart beats faster when a person runs for a while as the body needs more energy under these conditions.
Advertisements