What Is Sperm?What is sperm made of? medical animation #sperm #fertilization
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YouTubeDandelion Medical Animation
What Is Sperm?What is sperm made of? medical animation #sperm #fertilization
Sperm is tiny cells created by the male reproductive organs. That is made mostly of water, plasma, and mucus. It also contains 5 to 25 calories and comprises small amounts of essential nutrients, including Calcium. Males produce millions of these cells daily, yet only one can fertilize an egg and create life! Is ...
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1.4M views · 12K reactions | The hunt is on for these killer whales to find their next meal, king penguins. Watch World's Deadliest Whale, Wednesday at 8pm as part of Ocean Predators Week on National Geographic Wild | National Geographic UK | Facebook
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1.4M views · 12K reactions | The hunt is on for these killer whales to find their next meal, king penguins. Watch World's Deadliest Whale, Wednesday at 8pm as part of Ocean Predators Week on National Geographic Wild | National Geographic UK | Facebook
FacebookNational Geographic UK
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Watch a battle of the ocean titans as a pod of killer whales attacks a sperm whale. | National Geographic UK
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