Poor flexibility may be caused by a lack of regular and routine exercise and movement.
Answer:
he important respiratory organs in living beings include- lungs, gills, trachea, and skin. What are the important respiratory system parts in humans? The important human respiratory system parts include- Nose, larynx, pharynx, trachea, bronchi and lungs.the Respiratory System-Structure And Function. The respiratory system is the system in the human body that enables us to breathe. The act of breathing includes: inhaling and exhaling air in the body; the absorption of oxygen from the air in order to produce energy; the discharge of carbon dioxide, which is the byproduct of the process.
Explanation:
Such structures include the nasal cavity, pharynx, larynx, trachea, and most of the bronchial tree. The respiratory zone includes all the organs and structures that are directly involved in gas exchange, including the respiratory bronchioles, alveolar ducts, and alveoli.
D. C is true, ignore the other person. Children also have depression. Part of depression is losing interest in your normal activities.