Human Thoracic Anatomy and Functions

The video tutorial provides an in-depth look at the thoracic cage, including the clavicles, sternum, and ribs. It explains how the first 10 ribs are connected to the sternum via costal cartilage, while the 11th and 12th ribs are known as floating ribs. The tutorial also covers the anatomy of the lungs and heart within the thoracic cavity. It describes the vertebrae, including cervical, thoracic, and lumbar sections, and highlights the role of the thoracic cage in protecting vital organs and facilitating movement.

What is the flat bone located in the center of the chest called?

• Clavicle

• Scapula

• Sternum

• Humerus

How many ribs are directly connected to the sternum via costal cartilage?

• 14

• 8

• 10

• 12

Where is the heart located in relation to the thoracic cavity?

• Center and towards the right

• Center and towards the left

• Left side

• Right side

What is the name of the prominent vertebrae you can feel at the back of your neck?

• C1

• C5

• C7

• T1

How many thoracic vertebrae are there?

• 12

• 10

• 7

• 5

What are the last two ribs that are not connected to the costal cartilage commonly called?

• Hanging ribs

• Floating ribs

• Free ribs

• Loose ribs

How many lumbar vertebrae are present in the human body?

• 3

• 4

• 5

• 6

Which bone is located on the right side of the thoracic cage?

• Sternum

• Left scapula

• Humerus

• Right scapula

What is the primary function of the thoracic cage?

• Support the head

• Facilitate movement and protect organs

• Connect limbs

• Store minerals

Which muscles lie between the ribs to aid in movement?

• Deltoid muscles

• Abdominal muscles

• Pectoral muscles

• Intercostal muscles