Human Systems - Respiratory, Excretory, Nervous

Front

What is the function of the epiglottis?

Back

The epiglottis is a flap that closes over the trachea during swallowing to prevent food from entering the larynx.

Front

Where does gas exchange occur in the respiratory system?

Back

Gas exchange occurs in the alveoli, which are tiny air sacs in the lungs.

Front

What are kidney stones?

Back

Kidney stones are solid deposits that form in the kidneys, ureters, or bladder, often causing pain and urinary issues.

Front

What is pneumonia?

Back

Pneumonia is an illness of the lungs characterized by inflammation and fluid accumulation in the alveoli.

Front

What is dialysis?

Back

Dialysis is a medical process that artificially filters the blood to remove waste products when the kidneys fail.

Front

What is the primary function of the respiratory system?

Back

The primary function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What role do the bronchi play in the respiratory system?

Back

The bronchi are the main passageways that branch from the trachea into the lungs, allowing air to enter and exit.

Front

What is the significance of alveoli in the lungs?

Back

Alveoli are crucial for gas exchange; they provide a large surface area for oxygen to enter the blood and carbon dioxide to be expelled.

Front

What is the function of the kidneys in the excretory system?

Back

The kidneys filter blood to remove waste products and excess substances, producing urine.

Front

What is bronchitis?

Back

Bronchitis is an inflammation of the bronchial tubes, often causing coughing and difficulty breathing.