Lecture 2: Skeletal System and Muscular System

Question 1

What are the 2 components the skeletal system divides into?

Answer 1

The axial and appendicular components

Question 2

What is the axial skeleton consisted of?

Answer 2

The skull, the rib cage and vertebral column

Question 3

What is the appendicular skeleton consisted of?

Answer 3

The pectoral girdle, the upper limb bones, the pelvic girdle and lower limb bones

Question 4

What are the different types of bones?

Answer 4

Long bones
Short bones
Flat bones
Irregular bones
Sesamoid bones

Question 5

What is a Long bone? Give an example.

Answer 5

Long bones are tubular

Ex: Forearm (radius & ulna)

Question 6

What is a Short bone? Give an example.

Answer 6

Short bones are cube shaped

Ex: Carpal bones in wrist

Question 7

What is a flat bone? Give an example.

Answer 7

Flat bones usually protect underlying organs

Ex: Pelvis (protects urinary & reproductive systems)

Question 8

What is an irregular bone? Give an example.

Answer 8

Irregular bones have unique shapes

Ex: Vertebraes

Question 9

What is a sesamoid bone? Give an example.

Answer 9

Sesamoid bones develop in tendons and are shaped like seeds

Ex: Patella (knee cap) or pisiform (formed in FCU)