What is the largest gland in the human body?
Which is the longest muscle in the human body?
How many lungs does the human body have?
Where would you find a crab's teeth?
Which creature has eyes at the tips of its arms?
How many bones do sharks have in their body?
Which two parts of the body continue to grow for your entire life?
How many teeth do humans have?
What are the five human senses?
Which creature has 3 hearts?