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    Master this deck with 16 terms through effective study methods.

    Theory

    Created by @geethxx

    What is the main function of the respiratory system?

    Facilitates gas exchange of oxygen and carbon dioxide.

    How does the trachea function in the respiratory system?

    Connects the larynx to the bronchi for air passage.

    What distinguishes the right lung from the left lung?

    The right lung has three lobes; the left lung has two.

    What role do alveoli play in respiration?

    Site of gas exchange between air and blood.

    What is the function of the diaphragm?

    Muscle that aids in inhalation and exhalation.

    What separates the left and right sides of the heart?

    The septum prevents mixing of oxygen-rich and oxygen-poor blood.

    What are the two phases of the cardiac cycle?

    Systole (contraction) and diastole (relaxation).

    What is the role of heart valves?

    Ensure one-way blood flow through the heart.

    How do hinge joints differ from ball-and-socket joints?

    Hinge joints allow flexion and extension; ball-and-socket joints allow movement in all directions.

    What is the primary function of the quadriceps muscle group?

    Extends the knee and assists in hip flexion.

    What is the anatomical position of the heart?

    Located in the chest, slightly left, between the lungs.

    What happens during systole?

    Ventricles contract and push blood into arteries.

    What is the significance of the epicardium?

    It is the outer protective layer of the heart.

    What is the function of the larynx?

    Produces sound and protects the airway during swallowing.

    What is the role of the nasal cavity?

    Warms, moistens, and filters inhaled air.

    What distinguishes the atria from the ventricles in the heart?

    Atria receive blood; ventricles pump blood out.