Pop Quiz: How Well Do You Know Your Body?

Think you know everything there is to know about your body? Take this quiz and find out. Answers on Page 4.

1. What is the largest organ in the body?
   1. The heart
   2. The skin
   3. The large intestines
2. Which of the following type of joint is not found in the human body?
   1. Ball and socket
   2. Gliding
   3. Mortise and tenon
3. The smallest bone in the body is located in
   1. The foot
   2. The ear
   3. The hand
4. Which of the following carries blood away from the heart?
   1. Trachea
   2. Arteries
   3. Veins
5. At its normal size, the appendix is approximately how large?
   1. Finger-sized
   2. Potato-sized
   3. Peanut-sized
6. The spleen is part of which system?
   1. The lymphatic
   2. The circulatory
   3. The endocrine
7. If you stretched out the digestive tract of an adult, approximately how long would it be?
   1. 20 to 30 feet
   2. 6 to 12 feet
   3. 30 to 45 feet
8. How many bones are in the adult human body?
   1. 372
   2. 206
   3. 437
9. Which of the following organs are parts of the digestive system?
   1. Kidney and liver
   2. Liver and pancreas
   3. Kidney and pancreas
10. What does the thyroid gland do?
    1. Secretes a hormone related to metabolism and growth
    2. Secretes iron
    3. Secretes adrenaline
11. There are three types of recognized muscles in the human body. They are:
    1. Smooth, skeletal, and cardiac
    2. Sinewy, cardiac, and ligamentary
    3. Cardiac, ligamentary, and skeletal