BW4: The Breathing System

What gas do we require to break down food?

• Nitrogen

• Carbon dioxide

• Oxygen

• Hydrogen

What gas do we breath out as waste?

• Nitrogen

• Oxygen

• Hydrogen

• Carbon Dioxide

What organ is most associated with the breathing system?

• Lungs

• Heart

• Kidneys

• Liver

What is another name for the voice-box?

• Trachea

• Oesophagus

• Bronchus

• Larynx

What keeps the windpipe open?

• Cartilage

• Bone

• Tendons

• Muscle

What are the tiny air-sacs where gas exchange takes place?

• Lungs

• Alveoli

• Bronchus

• Broncioli

The way gases move between the capillaries and alveoli is called...?

• Osmosis

• Diffusion

• Atmosphere

• Pressure

Tags

NGSS.HS-LS2-5

What substance goes milky if CO2 is present?

• Limewater

• Hydrocholric acid

• Blood

• Sodium Hydroxide

Tags

NGSS.MS-PS1-2

What is the muscle under the lungs called?

• Intercostal

• Diaphragm

• Bronchus

• Cardiac

What is the average breathing rate per minute?

• 72

• 25

• 12

• 2

Tags

NGSS.HS-LS1-3