VIDEOS "CIRCULATORY SYSTEM" (THEORY AND GAMES ONLINE)

https://cfmedicine.nlm.nih.gov/activities/circulatory_flash.html

https://kidshealth.org/en/kids/center/htbw-main-page.html?WT.ac=k-nav-htbw-main-page

https://www.smm.org/heart/heart/top.html

http://www.softschools.com/matching_games/science/the_circulatory_system/1413/

http://www.softschools.com/science/human_body/heart_cross_section/

https://kids.aboutkidshealth.ca/player?title=all-about-the-heart