Imagine you are flipped upside down and standing on your head. After a few seconds, you would feel pressure in your head due to an increased blood flow. Humans and other vertebrates are known to have ...
Biologists have discovered mosquitoes possess a previously unknown mechanism for destroying pathogens that takes advantage of the peculiarities of the insect’s circulatory system to increase its ...
Quirks and Quarks19:53Our planet’s circulatory system depends on animals eating, excreting and expiring From the tiniest insects to the largest whales, biologist Joe Roman says animals play an ...
How do insects control the effects of gravity when they climb a tree or hang upside-down waiting for prey? They don't have closed circulatory systems that restrict fluid flow to certain parts of the ...