Air and the Respiratory System

What system is shown in the picture?

• Circulatory System

• Muscular System

• Nervous System

• Digestive System

Tags

NGSS.MS-LS1-3

What system is shown in the picture?

• Nervous System

• Respiratory System

• Muscular System

• Circulatory System

What system moves blood and oxygen throughout the entire body?

• Skeletal system

• Digestive System

• Nervous System

• Circulatory System

What system allows oxygen to enter and carbon dioxide to leave the body?

• Circulatory System

• Respiratory System

• Muscular System

• Digestive System

Where does oxygen enter your body?

• Mouth and eyes

• Eyes and ears

• Mouth and nose

• Only nose

The nasal cavity

• warms, filters and moisturizes air

• is divided into the left and right parts by a hard palate

• always leaks when I'm sick

• all of the above

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

Which of the following indicates the direction of diffusion of gases at the alveoli of the lungs?

• O2 into blood, CO2 out of blood

• O2 out of blood, CO2 into blood

• O2 out of blood, CO2 out of blood

• O2 into blood, CO2 into blood

What adaptations does the alveoli (air sacs) have for efficient gas exchange?

• thick walls

• thin walls

• small surface area

• large surface area

_________________ is the most abundant gas in our atmosphere.

• Argon
• Oxygen
• Carbon Dioxide
• Nitrogen