Pregnancy

The video discusses gestation periods across different species. Human gestation lasts about 37 to 42 weeks. Elephants have the longest mammalian pregnancy, lasting 22 months. The Alpine salamander holds the record for the longest gestation in the animal kingdom, lasting up to three years.

What is the gestation period in humans?

Define the term 'gestation period'.

How long is the longest mammalian pregnancy and which animal is it?

Which animal has the longest gestation period in the animal kingdom?

What is the gestation period of the Alpine salamander?