Your body is a brilliant machine with many important parts watch movies read articles and do activities to find out more skip to content for parents how the body works your body is a brilliant machine with many important parts watch movies read articles and do activities to find out more activity bones. How does my body work periods 4236 0 share facebook twitter tweet men keep on producing sperms for the better part of their life women on the other hand are born with all the eggs that they will ever have during their lifetime at the time of birth the number of eggs is almost 2 million however with age these start to . Watch this movie about your heart and circulation the system that sends blood throughout your body. How your lungs work kidshealthorg loading unsubscribe from kidshealthorg lungs human body parts pre school know your body animated videos for kids duration 241
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