How Much Do You Know About the Human Skeletal System?

SCIENCE

Gavin Thagard

5 Min Quiz

How many bones are in an adult skeletal system?

The smallest bone in the body is the stapes. It's located in the ear.

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Which is NOT a function of the skeletal system?

When you breathe, air is taken into the lungs. This causes the chest cavity to expand, so the lungs can be filled with air.

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Which gender's pelvis is proportionately larger?

Most animals don't have internal body skeletons. In facts, only about 2% are considered vertebrates.

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What's in the center of a bone?

Bone marrow is an important scientific research tool. There are signs it can be used for therapy in blood and autoimmune diseases.

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Are teeth part of the skeletal system?

Humans get two sets of teeth throughout their life. An adult human has 32 total teeth.

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How many bones are in the axial skeleton?

The human skeletal system is typically divided into two parts. Other than the axial skeleton, there is also the appendicular skeleton.

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What bone protects the brain?

There are 22 bones in the human skull. Some of those bones surround the brain and others make up the face.

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Which bones are NOT part of the axial skeleton?

Some people are born with an extra rib. However, this rib does more harm than good.

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How do you tell if a bone is broken?

An extra rib can lead to problems with nearby blood vessels. This can cause extreme pain in the chest and shoulder area.

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Who discovered X-rays?

Wilhelm Conrad Roentgen was a German physicist. He won a Nobel Prize in 1901 for his discovery of X-rays.

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Do infants have more or less bones than adults?

Infants are born with around 300 bones. These bones fuse together as the child ages.

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What is a common name for cancellous bone?

Infants also have more cartilage than adults. This cartilage hardens into bone as the child grows.

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What is the hard outer​ layer of a bone called?

The cortical bone consists of the hardest tissue in the body. It makes up around 80% of the bone mass for an adult.

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What was found to heal bone fractures in 2015?

Prosthetics can replace bones and other parts of the body. Some prosthetics can even function as if they were real bones.

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This is where bones meet.

The hyoid bone is the only jointless bone in the body. It's located in the throat.

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What attaches muscles to bones?

Tendons are made up of connective tissue. They are capable of expanding and contracting like rubber bands.

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What holds bones together?

Bones aren't in control of movement in the body. Muscles are actually in control, and their movement is signaled by the brain.

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How do bones grow?

Humans stop growing in their late teens. This occurs when growth plates fully mature into bone.

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Which bone cells repair damage?

Bones have cells just like any other part of your body. These cells can form tumors and even cause cancer.

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Which bone cells make new bone?

Bones become much more brittle as you age. They also take much longer to heal.

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Which bone cells sculpt the bone?

Broken bones are not a new occurrence. For thousands of years, humans have been realigning broken bones and bandaging the injury until it heals.

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Which mineral makes bones hard?

The hardest part of a body is tooth enamel. It's made up of tightly compacted minerals.

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What is made inside bone marrow?

There are two types of bone marrow. One type is red, and the other is yellow. The yellow bone marrow is higher in fat cells.

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What protects your bones from rubbing against each other?

Cartilage makes up most of the bone structure of children. When they age, their bones harden.

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What protects your spinal cord?

Your spinal cord is made up of neurons. These neurons are responsible for sending signals throughout your body to help it operate.

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How many bones are in the vertebral column?

Back pain can be a debilating issue for many people. It's one of the most common reasons people are on disability in the United States.

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How many regions are in the vertebral column?

Your spinal cord ends in the lumbar region of your back. This area is called the conus medullaris.

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Which part of the vertebral column makes up the neck?

The cervical region of your vertebral column is made up of seven bones. Directly below it is the thoracic region.

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How many bones are in a hand?

Your hand is controlled by two primary sets of muscles and tendons. They are known as flexor muscles and extensors.

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What is the bone at the tip of your finger called?

Fingers are made up of three bones each. However, your thumb only has two bones.

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Which bone is located in the center of your chest?

The sternum is considered part of the rib cage. It helps protect vital organs like the heart and the lungs.

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What's your thigh bone called?

The femur is the longest bone in the body. It's also the strongest bone, supporting all of the body's weight.

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What is your patella?

Knee pain is one of the most common ailments in the body. It can be caused by a number of factors, including ligament and tendon injuries.

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How many bones are in the pelvic girdle?

Many professional athletes have to receive hip replacements as they age. This involves replacing a hip joint with an artificial joint.

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How many bones are in a foot?

The hands and feet have the most bones in the body. In fact, if you combine them all, they make up over half of the body's bones.

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Image: shutterstock

About This Quiz

"The world dies over and over again, but the skeleton always gets up and walks." - Henry Miller 

It's time for an anatomy quiz, and today, it's the human skeletal system. Do you know everything there is to know about the human skeleton? Could you pass this quiz with ease? Here's your chance to find out!

The human skeletal system is the basic framework for your body. It determines how you stand, produces important cells for the body and protects parts of the internal anatomy from external blows. Without it, you would be a sack of meat on the ground, unable to walk or move. That doesn't sound like a very enjoyable life. Therefore, it's important to know about the human skeletal system; its functions, weaknesses and strengths. 

But, are you an expert on the human body and all of its functions, including those of the human skeletal system? Do you know which bones are located where or how many are in different parts of the body? Do you know how bones are built or heal after damage? 

If you think you know everything about the skeletal system, take this quiz and prove it. You had better be up for a challenge, though, because this quiz isn't easy!

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