Digestive and Respiratory System Flashcard

Front

What type of digestion is chewing an example of?

Back

Mechanical digestion is the process of physically breaking down food into smaller pieces.

Front

What are the two main branches from the trachea that lead to each lung called?

Back

Bronchi are the two main branches from the trachea, one leading to each lung.

Front

What is the correct sequence of the pathway food takes from the mouth to the large intestine?

Back

Mouth, esophagus, stomach, small intestine, large intestine.

Front

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

Back

Villi absorb nutrients into the bloodstream from digested food.

Front

In which part of the digestive system is water absorbed from digested food?

Back

Water is absorbed in the large intestine.

Front

What is the role of the esophagus in the digestive system?

Back

The esophagus transports food from the mouth to the stomach.

Front

What is the primary function of the stomach in digestion?

Back

The stomach breaks down food using acids and enzymes.

Front

What are alveoli and what is their function in the respiratory system?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm is a muscle that helps in breathing by contracting and relaxing to change the volume of the thoracic cavity.

Front

What is the difference between chemical and mechanical digestion?

Back

Mechanical digestion involves physical breakdown of food, while chemical digestion involves enzymatic breakdown of food into smaller molecules.