Sentences with phrase «slow swimming sperms»

Not exact matches

Under a microscope, male sperm tend to swim faster but also die sooner while female sperm do the opposite (swim slower but live longer).

Sperm whales have been observed sleeping in a vertical position near the surface of the water where they cycle through a slow drifting dive, sinking down into the water and then, in their sleep, swimming back up to the surface again.