Muscles and Bones
This muscle, located in your backside, is the strongest muscle of the body
What is the gluteus maximus?
This organ pumps about 100,000 times per day
What is the heart?
This organ is the largest in the body by surface area.
What is the skin?
This organ uses about 20 percent of the body’s oxygen.
What is the brain?
These body parts never stop growing.
What are the ears?
The smallest bone in the body is located in this organ
What is the ear? (The stapes)
This organ is the largest internal organ by mass.
What is the liver?
These glands help regulate temperature by releasing sweat.
What are sweat glands?
This sense can detect over 1 trillion odors.
What is smell?
The body contains enough of this metal to make a 3-inch nail
What is iron?
This bone in the thigh is the longest and strongest.
What is the femur?
This digestive organ is about 6 to 7 meters long.
What is the small intestine?
Humans shed about this many kilograms of skin in a lifetime. (For reference, 1 kilogram is about the weight of a liter of water or a small pineapple.)
What is 35 to 40 kilograms?
These eye cells detect light in low-light conditions.
What are rods?
The body can produce enough heat in 30 minutes to do this.
What is boil half a gallon of water?
Adults typically have this many total bones.
What is 206?
These organs filter about 150–180 liters of blood per day.
What are the kidneys?
Hair and nails are both made of this protein.
What is keratin?
This brain structure helps with balance and coordination.
What is the cerebellum?
This muscle is considered the strongest in the body relative to its size.
What is the tongue?
These cells build new bone
What are osteoblasts?
This body system produces hormones.
What is the endocrine system?
Goosebumps occur due to these small muscles.
What are arrector pili muscles?
These receptors detect pain
What are nociceptors?
This fluid makes up about 55 percent of total blood volume.
What is plasma?