Brain functions include processing sensory information from the senses, planning, decision making, coordination, motor control, emotion, attention, and memory.
ADVICE.NEWS shared interesting facts about the animal brain.
Interesting facts
Perhaps the smallest brain in insects, it contains about 1 million neurons (while the human brain contains about 86 billion neurons).
At the same time, according to scientists, the largest brain on Earth belongs to a marine mammal called the sperm whale.
Its brain weighs an average of 8 kg, while the animal itself weighs approximately 45 tons.
Thus, the ratio of brain mass to body mass is approximately 1:5500.
American scientists have discovered that the larger the mass of the cerebral cortex and the number of neurons in it in an animal, the longer and more varied its yawns.
What kind of brain does an ant have?
The structure of the ant's brain is nothing unique - and this still baffles scientists.
In essence, it is a normal nerve ganglion, consisting of three ganglia and built mainly of association cells designed to receive and process information.
What animals live without a brain
In creatures such as starfish, the body structure does not suggest the presence of a nervous system at all.
If we talk about jellyfish, they have a nervous system, but no brain.
Moreover, one species of jellyfish can even sleep – this is a unique case when sleep appears in animals without a brain.
Which animal is smarter than humans?
Chimpanzees are the most similar to humans and have the most impressive cognitive abilities of any animal after humans.
Previously, we talked about which wild animals can be kept as pets.
