U2 Biological Systems Review

Front

What do guard cells do?

Back

Control the rate of transpiration (loss of water through the leaf).

Front

What is the main function of stomata in plant leaves?

Back

To exchange gases.

Front

How do the digestive and respiratory systems work together?

Back

They bring oxygen and nutrients to cells for cellular respiration.

Front

Which body system takes oxygen into the body and gives off carbon dioxide?

Back

Respiratory System.

Front

What is homeostasis?

Back

An organism's ability to maintain steady (stable) internal conditions.

Front

What is the role of the circulatory system?

Back

To transport oxygen, nutrients, and waste products throughout the body.

Front

What is transpiration in plants?

Back

The process of water vapor loss from plant leaves.

Front

What is the function of alveoli in the respiratory system?

Back

To facilitate gas exchange between the air and blood.

Front

What is the significance of the diaphragm in respiration?

Back

It helps in the inhalation and exhalation of air by changing the volume of the thoracic cavity.

Front

What is the primary function of red blood cells?

Back

To carry oxygen from the lungs to the body and carbon dioxide from the body back to the lungs.