The blood pressure of giraffes is very high (280/180 mm Hg), which is twice that of humans, as mentioned above. In addition, the heart beats up to 170 times per minute. It is twice the human heart (...)
Sponges are the simplest multicellular animals. They lack a real organization. There are no muscles, nerves or internal organs. 2. Sponges live all over the world Sponges are animals, not plants, (...)
The brain needs a lot of energy, and many of these simple creatures could not survive if they had to supply energy to the brain. In the case of sponge, there is no brain, digestive system, nervous (...)
Green represents natural wealth and white represents peace. The design and color of the South African flag is an overview of the key elements in the history of the South African flag. Color d (...)
After months of late-night research, Bedbrook changed his mind. In a paper published Thursday in the journal Current Biology, she, Nath, and Abrams report that the upside-down jellyfish Cassiopeia (...)