Unit 1 Concept #3 Exam

Front

What gas is taken in by the respiratory system?

Back

Oxygen

Front

Which of the following is a key structure of the immune and lymphatic systems?

Back

Lymph nodes

Front

What does 'appendicular' refer to in anatomical terminology?

Back

Appendages (limbs) attached to the axis

Front

What is the main function of the digestive system?

Back

Breakdown of food and absorption of nutrients

Front

Which of the following is a key structure of the nervous system?

Back

Brain

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, primarily oxygen intake and carbon dioxide expulsion.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels, and blood.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in the body.

Front

What role do lymph nodes play in the immune system?

Back

They filter lymph fluid and house immune cells that help fight infections.

Front

What is the function of the alveoli in the lungs?

Back

To provide a large surface area for gas exchange between air and blood.