Watch Bill Nye the Science Guy - Season 2 Episode 3 : Blood & Circulation Online

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Bill Nye the Science Guy - Season 2 Episode 3 : Blood & Circulation

Original title:

比尔教科学, Bill Nye, the Science Guy

1970

YEAR

00:00:00

DURATION

3.8221

VISITS

LIKES

Comedy, Documentary, Kids

Number of Seasons

Number of Episode

100

Network:

PBS

Description

It's time for a heart-to-heart talk about blood and circulation with Bill Nye the Science Guy. Your blood is your bud. Without blood, your skin would dry up and fall off, your internal organs would die, and your brain would be kaput. Blood gives every cell in your body the food and oxygen it needs to survive. Blood also cleans up after our cells by carrying away waste. Blood even protects your body from disease. What more could you ask from a friend? Blood patrols your entire body. Blood is pushed around by a powerful pump called the heart. Every time your heart lub-dubs, blood is propelled through tubes called arteries, capillaries, and veins. Your heat pushes your blood in a complete loop around your body about 2,000 times every day. Your heart is a muscle, and, like all muscles, it can get stronger. A healthy heart needs exercise to stay strong. An average heart pumps about 70 times a minute, but a healthy, well-exercised heart pumps 50 or 60 times a minute. Heal

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