Skeletal System

Question 1

What are the five main functions of the skeletal system?

Answer 1

Support, protection, movement, blood cell production (red marrow), and mineral storage (calcium).

Question 2

What are the four types of bone tissue?

Answer 2

Compact bone (dense, strong), spongy bone (light, porous), bone marrow (red and yellow), and periosteum (outer covering).

Question 3

What are the main types of joints?

Answer 3

• Ball and socket (shoulder, hip)
• Hinge (elbow, knee)
• Pivot (neck)
• Gliding (wrist, ankle)

Question 4

What bones make up the upper limb?

Answer 4

Clavicle, scapula, humerus, radius, ulna, carpals, metacarpals, phalanges.

Question 5

What bones make up the lower limb?

Answer 5

Pelvis, femur, patella, tibia, fibula, tarsals, metatarsals, phalanges.

Question 6

Label the bones of the hand (carpals)

Answer 6

Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate.

Question 7

Label the bones of the foot.

Answer 7

Calcaneus, Talus, Navicular, Cuboid, Cuneiforms (medial, intermediate, lateral), Metatarsals, Phalanges.

Question 8

Label the bones of the upper limb

Answer 8

Clavicle, Scapula, Humerus, Radius, Ulna, Carpals, Metacarpals, Phalanges.

Question 9

Label the bones of the lower limb.

Answer 9

Pelvis, Femur, Patella, Tibia, Fibula, Tarsals, Metatarsals, Phalanges.

Question 10

Label the types of bones by shape.

Answer 10

• Long: femur, phalanges
• Short: carpals, tarsals
• Flat: sternum, scapula
• Irregular: vertebrae, facial bones
• Sesamoid: patella, sometimes in hands/feet