El aparato respiratorio

The video tutorial explains the process of breathing, focusing on the respiratory system's role in oxygen intake and carbon dioxide expulsion. It describes the structure of the airways and lungs, including the bronchi, bronchioles, and alveoli, where gas exchange occurs. The tutorial also covers the mechanics of respiratory movements, highlighting the roles of the diaphragm and intercostal muscles in inspiration and expiration.

What is the primary function of the respiratory system?

• To protect the brain

• To digest food

• To circulate blood

• To exchange gases

Through which parts does air pass after entering the nostrils?

• Bronchi and bronchioles

• Pharynx, larynx, and trachea

• Esophagus and stomach

• Heart and arteries

What is the role of the rib cage in the respiratory system?

• To aid in digestion

• To produce oxygen

• To filter air

• To protect the lungs and heart

What are the tiny sacs in the lungs where gas exchange occurs called?

• Bronchi

• Alveoli

• Capillaries

• Diaphragm

Which muscles are primarily involved in the process of breathing?

• Biceps and triceps

• Quadriceps and hamstrings

• Diaphragm and intercostal muscles

• Pectorals and abdominals