RESPIRATION

Define the word respiration.

• Breaking down of food

• Way the body uses oxygen to break down food in order to produce energy.

• Taking in air from the surrounding

Tags

NGSS.MS-LS1-3

Where does respiration take place in the human body.

• Air sacs

• Lungs

• Body cells

Name any one substance found in the nose.

• Water

• Blood

• Mucus

Which substance filters air as it enters the nose?

• Mucus

• Blood

• A filter

• Cilia

What happens to the air as it enters the nose?

• It's warmed.

• It's cooled.

• It mixes with blood

Which gas is used during respiratoin?

• Nitrogen

• Carbon dioxide

• Oxygen

Why is the trachea made of cartilages?

• Food to pass easily

• To keep it open

where does exchange of gases take place?

• Body cells

• In blood

• Air sacs

Tags

NGSS.MS-LS1-6

These organs help our body to breath except

• Nasal cavity

• Lungs

• Trachea

• Mouth

State the products of respiration in the body cells?

• Oxygen, carbon dioxide and water

• glucose, oxygen and water

• carbon dioxide, water and oxygen

• carbon dioxide, water and energy

Tags

NGSS.MS-LS1-7