Exploring Major Human Bones Quiz

The femur is the longest bone in the human body. Where is the femur located?

• In the arm

• In the leg

• In the spine

• In the chest

The human skull is made up of several bones fused together. What is the main job of the skull?

• To help us walk and run

• To protect the brain

• To help us breathe

• To hold our teeth only

The ribcage is made up of 12 pairs of ribs. Which organ does the ribcage mainly protect?

• The brain

• The stomach

• The heart and lungs

• The kidneys

The spine, also called the vertebral column, is made up of small bones called vertebrae. What is one important function of the spine?

• It helps us digest food

• It supports the body and helps us stand upright

• It pumps blood through the body

• It helps us see clearly

The patella is a small bone found in the human body. Which part of the body is the patella located in?

• The elbow

• The shoulder

• The knee

• The wrist

The humerus is a bone found in the upper arm. Which two joints does the humerus connect to at its two ends?

• The knee and the ankle

• The shoulder and the elbow

• The hip and the knee

• The wrist and the elbow

Bones in the human body store important minerals. Which mineral is most commonly stored in bones to keep them strong and hard?

• Iron

• Potassium

• Calcium

• Sodium

The pelvis is a large bone structure found in the lower part of the body. Which of the following best describes a function of the pelvis?

• It protects the brain from injury

• It supports the weight of the upper body and connects the legs to the torso

• It helps the lungs expand when we breathe

• It produces sounds when we speak

A student is learning about bones and their functions. She knows that red blood cells carry oxygen to all parts of the body. She also learns that red blood cells are made inside bones. Based on this information, what would most likely happen if a person's bones stopped producing red blood cells?

• The person would grow taller very quickly

• The person's body would not get enough oxygen and would become very weak

• The person's teeth would fall out

• The person would not be able to think clearly because the skull would shrink

A doctor is examining two patients. Patient A has a broken femur, and Patient B has a broken radius in the forearm. Using your knowledge of bone functions, which patient would most likely have more difficulty walking, and why?

• Patient B, because the radius is needed to balance the body while walking

• Patient A, because the femur is the main bone in the upper leg and is essential for walking

• Both patients would have equal difficulty walking since all bones are equally important

• Patient B, because the forearm bones control leg movement