Samay | UP/Uttarakhand | MP/Chattisgarh | Bihar/Jharkhand | Rajasthan | Aalami Samay

Sperm cells are excellent swimmers

Sperm cells swim long distance against current to reach destination

Not only do the cells have to swim in the right direction over distances that are around 1,000 times their own length, but they are exposed to different chemicals and currents along the way.