1. The strongest muscle in the human body is the tongue.

It is impossible to sneeze with your eyes open.

It is impossible to hold your breath and commit suicide.

Every time you lick the stamp gum, it is equivalent to absorbing110 heat.

Right-handed people live nine years longer than left-handed people on average.

Crocodiles cannot stick out their tongues.

7. Polar bears are left-handed.

Exploring marine life for 100 thousand years. Why

Can't fish live without water?

Most fish live in water and will die without it, but some fish may not be inseparable from water. In the dry season, African lungfish breathe slowly and delicately with their swim bladders. Misgurnus anguillicaudatus can become oral cavity and respiratory organ without water.

Why do some fish discharge?

Electric eel, ray, etc. They are all releasing fish. These fish have a power generation structure. When they are hunted by predators, they will immediately start the power generation structure in their bodies and generate electricity to knock down the enemy to protect themselves.

Does the fish need water?

Fish living in fresh water and seawater have different water supplements. The concentration of blood and body fluids of freshwater fish is higher than that of the surrounding fresh water, so the external water always seeps into the body, so they are not short of water and need drainage. Cartilaginous fish in the sea, like freshwater fish, do not need to drink water; The concentration of seawater around bony fish is higher than that in the body, so it needs to drink water.

Can doctor fish cure diseases?

There are many "medical fish" in the ocean, which can peck off scales, fins, microorganisms and some parasites of sick fish, and sick fish will recover soon. Some male fish often go to the "fish doctor" for health care to make themselves more beautiful and win the heart of the female fish.

Why does father hippocampus "have children"?

In the breeding season of the male seahorse, the abdominal wall on the side of the body is folded towards the center line of the body, and a wide pouch is gradually synthesized, so that the female seahorse lays eggs in the pouch of the male seahorse, and the total number of eggs laid reaches nearly 100. Parenting bag can protect eggs from damage, which is beneficial to the growth and development of small hippocampus and can also provide enough nutrition for eggs. The egg cell is completely taken care of by the male hippocampus in the pouch, and the male hippocampus "gives birth" to its baby from the pouch. But for a while, the little seahorse always followed his father around for food.