Author: Charles Njuguna Ngumi
School: Shimbo Secondary School.
Date: 4th May 2019
Edited by: George Waithaka
PUMPING MECHANISM OF THE HEART
CONTENT AND AUTHOR
Licensed under the Creative Commons Attribution Share Alike License 4.0
Author: Charles Njuguna Ngumi
School: Shimbo Secondary School.
Date: 4th May 2019
Edited by: George Waithaka
Licensed under the Creative Commons Attribution Share Alike License 4.0