The Human Skeleton: Bones and Joints

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Date:

Instructions: You carry 206 bones every day — how well do you really know the incredible framework that holds you together? From the tiniest bone in your ear to the mighty thigh bone, discover the fascinating facts behind the skeleton that keeps you moving.

1.
How many bones does a healthy adult human body contain?
A
206
B
212
C
198
D
225
2.
Which is the longest and largest bone in the human body?
A
The tibia (shin bone)
B
The femur (thigh bone)
C
The humerus (upper arm bone)
D
The radius (forearm bone)
3.
Where is the smallest bone in the entire human body located?
A
In the big toe
B
In the wrist
C
In the middle ear
D
In the nose
4.
What is the hardest substance produced by the human body?
A
Compact bone
B
Cartilage
C
Dentin
D
Tooth enamel
5.
Approximately how many bones does a newborn baby have at birth?
A
About 270
B
About 206
C
About 350
D
About 180
6.
How many vertebrae are in the cervical (neck) section of the spine?
A
5
B
7
C
9
D
12
7.
How many pairs of ribs does the human body have in total?
A
10 pairs
B
11 pairs
C
12 pairs
D
14 pairs
8.
Which rib pairs are called 'floating ribs' because they do not attach to the breastbone?
A
The 9th and 10th pairs
B
The 10th and 11th pairs
C
The 8th and 9th pairs
D
The 11th and 12th pairs
9.
What is the medical name for the kneecap?
A
Patella
B
Fibula
C
Calcaneus
D
Tibia
10.
What is the medical name for the collarbone — one of the most commonly broken bones?
A
Scapula
B
Clavicle
C
Sternum
D
Humerus
11.
What is the medical name for the heel bone — the largest bone in the foot?
A
Talus
B
Metatarsus
C
Calcaneus
D
Navicular
12.
Which two bones together make up the human forearm?
A
Femur and tibia
B
Humerus and scapula
C
Fibula and tibia
D
Radius and ulna
13.
Where in the body are new red blood cells manufactured?
A
Red bone marrow
B
The liver
C
The spleen
D
Yellow bone marrow
14.
What is the main function of the stapes — the stirrup-shaped bone in the ear?
A
To maintain your sense of balance
B
To transmit sound vibrations from the eardrum toward the inner ear
C
To protect the eardrum from loud noises
D
To regulate fluid pressure in the ear canal
15.
Which bone at the base of the skull is often described as looking like a butterfly when viewed from above?
A
The temporal bone
B
The ethmoid bone
C
The sphenoid bone
D
The occipital bone

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