The lifespan of a taste bud is ten days
Babies are born without knee caps. They don’t appear until the child reaches 2-6 years of age
The heart of a blue whale is the size of a small car. The tongue of a blue whale is as long as an elephant
Sharks apparently are the only animals that never get sick. As far as is known, they are immune to every known disease including cancer
The animal responsible for the most human deaths world-wide is the mosquito
The venom of a female black widow spider is more potent than that of a rattlesnake
When a person dies, hearing is generally the last sense to go. The first sense lost is usually sight. Then follow taste, smell, and touch
Dolphins have bigger brains than the brains of humans
You're born with 300 bones, but when you get to be an adult, you only have 206
About 8 million blood cells die in the human body every second, and the same number are born each second



