Topic 2 Vocab

Front

What are the two passages that direct air into the lungs?

Back

Bronchi

Front

What is the term for waves of smooth muscle contractions that move food through the esophagus towards the stomach?

Back

Peristalsis

Front

What is an energy-rich compound such as a sugar or a starch made of carbon, hydrogen, and oxygen?

Back

Carbohydrates

Front

What is a body structure composed of different kinds of tissue that work together?

Back

Organ

Front

What is a group of similar cells that perform a specific function?

Back

Tissue

Front

What is the basic unit of life?

Back

Cell

Front

What is the process by which organisms convert food into energy?

Back

Metabolism

Front

What is the term for the system of organs that work together to perform complex functions?

Back

Organ system

Front

What is the function of alveoli in the respiratory system?

Back

Gas exchange

Front

What is the role of enzymes in digestion?

Back

To speed up chemical reactions that break down food