But fortunately for most of us, the immune system is constantly on duty to battle germs that could make us ill. The following discussion questions and activities will help your students learn about how the immune system protects them from germs and illness.
Elephants however, go through six sets of 9lb teeth during their lifetimes, with new teeth growing in to replace old ones that have worn out. An elephants starts with two front teeth that fall out after about a year and are replaced by a set of tusks.
let s look at which animals have the most teeth be prepared to be shocked snails are tiny little creatures even the largest variety the african giant snail typically only grows to a size of 30 cm in length and 18 cm in width so it s shocking to find out that they have around 25600 teeth a snail whose mouth is comparable to the size of a pinpoint has more teeth than any other animal in the world