Respiration and Circulation

The _________ produces a larger surface area the exchange of gases between blood and the air.

• Alveoli

• Capillaries

• Bronchi

• Trachea

Glucose is mixed with oxygen to give out CO₂ and water. This process is called ____________

• Breathing

• Exhale

• Exhale

• Aerobic Cellular Respiration

Which of the following takes place when we exhale?

• Lungs Expand

• Rib cage is raised

• Diaphragm relaxes and arches upwards

• Volume of Thorax increases

An air that contains more oxygen , lower concentration of CO₂ and water vapor is called __________________

What happens to our Diaphragm when we inhale ?

Sara carries an experiment in which there are 2 candles lighted up in each glass jar as shown in the picture. One jar contains inhaled air and the other contains exhaled air. Which jars candle will extinguish first?