Muscles
Skin
Fun Facts
Bones
Nervous System
100
Is smooth muscle voluntary or involuntary?
What is voluntary?
100
How many layers of the skin are they?

What is three?

100

What is the largest organ in the body?

What is the skin?

100
What are the two main bones in your lower leg? 

What is the tibia and fibula?

100

What are the three parts of the nervous system?

What is the brain, spinal cord, and nerves?
200

What is the largest muscle in the body?

What is the gluteus maximus?

200

How much of your body weight does the skin account for?

What is 10-15%?

200
The head is _____ (superior or inferior) to the neck

What is superior?

200

What is the name of your jaw bone (lower jaw)?

What is the mandible?

200

What are the two main divisions of the PNS?

What are the autonomic and somatic nervous systems?

300

How many skeletal muscles are in the body?

What is about 650?

300

What protein helps form the hair, skin, and nails?

What is keratin?

300

How often do you blink each minute?

What is 15-20 times?

300

What is the smallest bone in your body?

What is the stapes?

300

What is the largest part of the brain?

What is the cerebrum?

400

What is the strongest muscle?

What is the masseter muscle (jaw)?

400

What is the average surface area of the skin?

What is 2 square meters (22 square feet)?

400

What is the fastest growing fingernail?

What is the middle finger?

400

What is the name of the middle section of your spine? 

What is the thoracic vertebrae? 

400

How many pairs of nerves are in the spinal cord?

What is 31 pairs?

500
What is the smallest muscle in the body?

What is the stapedius muscle?

500

What disorder causes the skin to thicken and form large, yellow-brown plates?

What is Harlequin ichthyosis?

500

How much saliva is produced each day?

What is 1-2 liters or 2-4 pints?
500

At what age do you have the most amount of bones?

What is a baby?

500
What is the fastest the nervous system can transmit signals?

What is 224 miles per hour?

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