Explanation

• The lungs are located in the thoracic cavity.
• The thoracic cavity is the chest cavity protected by the rib cage.
• It contains the lungs, heart, trachea, and major blood vessels.
• The lungs are enclosed by the pleural membranes.
• This cavity plays a vital role in breathing and respiration.

Last verified on 18-07-2026

Explanation

• Insulin and glucagon regulate blood glucose (sugar) levels.
• Insulin lowers blood sugar by helping cells absorb glucose.
• Glucagon raises blood sugar by releasing stored glucose from the liver.
• Both hormones are produced by the pancreas.
• They work together to maintain normal blood sugar levels.

Verified & Updated

Explanation

• Protease is the enzyme that breaks down proteins into amino acids.
• It helps digest proteins in the digestive system.
• Proteases are produced in the stomach, pancreas, and small intestine.
• Amino acids are absorbed by the small intestine.

Verified & Updated

Explanation

• An endemic disease is a disease that is constantly present in a specific population or geographic area.
• Examples:
• Malaria
• Chickenpox
• Dengue Fever

Additional information 

• Epidemic: A sudden, unexpected spike in cases within a specific community or region.
• Pandemic: An epidemic that has spread globally, covering multiple countries or continents.

Last updated by NA on 16-07-2026

Explanation

• Meteorology is the science of the atmosphere and weather patterns.

Additional information 

• Climatology: weather patterns and climate changes over time.
• Oceanography:  oceans, marine ecosystems, currents, and the seabed.
• Geology: Earth's solid rocks, minerals, and the physical history of its structure.
• Astronomy: celestial objects, space, and the physical universe beyond Earth

Last updated by NA on 16-07-2026