https://padlet.com/gt003006/fvv8a3o9a0yj What I have learnt today! en-us 2016-10-25 10:18:51 UTC 2025-10-06 11:07:30 UTC hello@padlet.com https://padlet.com/gt003006/fvv8a3o9a0yj/wish/132951394 I have learnt that heart attack is caused by blocking of the artery such that blood cannot flow to parts of the heart and parts of the body such as the brain and it is fatal. ]]> 2016-10-25 10:58:01 UTC https://padlet.com/gt003006/fvv8a3o9a0yj/wish/132951394 https://padlet.com/gt003006/fvv8a3o9a0yj/wish/132951529 I have learnt that the human circulatory system has a double circulation which means that blood passes the heart twice. ]]> 2016-10-25 10:59:10 UTC https://padlet.com/gt003006/fvv8a3o9a0yj/wish/132951529 https://padlet.com/gt003006/fvv8a3o9a0yj/wish/135290814 the heart has 4 chambers right atrium, right ventricle, left atrium and left ventricle. ]]> 2016-11-04 06:52:57 UTC https://padlet.com/gt003006/fvv8a3o9a0yj/wish/135290814