Human Body Systems

Front

What is the main function of the mouth in the digestive system?

Back

The mouth is where food is mechanically broken down by chewing and mixed with saliva, but digestion primarily occurs in the stomach and intestines.

Front

Which organs are part of the respiratory system?

Back

The respiratory system includes the nose, mouth, trachea, bronchi, and lungs.

Front

What does the rib cage protect?

Back

The rib cage protects vital organs such as the lungs and heart.

Front

What is the primary function of the circulatory system?

Back

The circulatory system cycles blood throughout the body to deliver oxygen and nutrients to cells.

Front

What is meant by 'transport' in the context of the human body?

Back

Transport refers to the movement of materials, such as oxygen and nutrients, throughout the body.

Front

What is the role of the lungs in the respiratory system?

Back

The lungs are responsible for gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.

Front

What is the function of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues.

Front

What is the difference between the digestive system and the respiratory system?

Back

The digestive system breaks down food to extract nutrients, while the respiratory system is responsible for breathing and gas exchange.

Front

What is respiration?

Back

Respiration is the process of inhaling oxygen and exhaling carbon dioxide, essential for cellular energy production.

Front

What are the main components of the digestive system?

Back

The main components include the mouth, esophagus, stomach, intestines, liver, and pancreas.