LISTEN: How does our heart beat?

accreditation

Parent24 is republishing Curious Kids, a series for children, with permission under a Creative Commons license.


How does our heart beat? – Aarav, age nine.


Listen to the answer here

If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.edu.au.

Imagine This is a coproduction between ABC KIDS listen and The Conversation, and is based on articles from their Curious Kids series.

Subscribe to Parent24's newsletter for updates of more audio in our Curious Minds series

Sign up for Parent24's newsletters.

Read more:

We live in a world where facts and fiction get blurred
In times of uncertainty you need journalism you can trust. For 14 free days, you can have access to a world of in-depth analyses, investigative journalism, top opinions and a range of features. Journalism strengthens democracy. Invest in the future today. Thereafter you will be billed R75 per month. You can cancel anytime and if you cancel within 14 days you won't be billed. 
Subscribe to News24
Voting Booth
What are your thoughts on the possibility of having permanent Stage 2 or 3 load shedding?
Please select an option Oops! Something went wrong, please try again later.
Results
I'll take that over constant schedule changes
13% - 1125 votes
Why are we normalising Eskom’s mess?
72% - 6285 votes
I've already found alternative ways of powering my home/business
15% - 1316 votes
Vote
Rand - Dollar
17.25
+0.8%
Rand - Pound
21.29
+0.7%
Rand - Euro
18.81
+0.5%
Rand - Aus dollar
12.23
+0.4%
Rand - Yen
0.13
+0.5%
Platinum
1,006.31
-0.6%
Palladium
1,687.13
+2.4%
Gold
1,931.36
+0.2%
Silver
23.64
-0.4%
Brent Crude
85.46
+1.1%
Top 40
73,632
+0.3%
All Share
79,730
+0.3%
Resource 10
75,381
-0.6%
Industrial 25
102,439
+0.2%
Financial 15
16,417
+1.7%
All JSE data delayed by at least 15 minutes Iress logo
Editorial feedback and complaints

Contact the public editor with feedback for our journalists, complaints, queries or suggestions about articles on News24.

LEARN MORE