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