Worksheetstest 2.2
Total questions: 15
Worksheet time: 8mins
What is the primary function of the lungs?
Digestion
Circulation
Respiration
Excretion
Which gas is essential for human respiration?
Nitrogen
Oxygen
Carbon Dioxide
Helium
What are the pulmonary airways responsible for?
Transporting blood
Carrying oxygen to the lungs
Digesting food
Filtering waste
What is the common term for the thorax?
Head
Chest
Abdomen
Leg
What process involves the exchange of gases in the lungs?
Digestion
Photosynthesis
Respiration
Circulation
What is exhalation?
Breathing in
Breathing out
Digesting food
Circulating blood
What is inhalation?
Breathing in
Breathing out
Digesting food
Circulating blood
Which of the following is a physical process?
Respiration
Photosynthesis
Digestion
Evaporation
What is the core of the Earth primarily made of?
Water
Iron and Nickel
Sand
Oxygen
What is the outermost layer of the Earth called?
Core
Mantle
Crust
Lithosphere
What is the lithosphere?
The Earth's core
The Earth's crust and upper mantle
The Earth's atmosphere
The Earth's oceans
What is the mantle of the Earth?
The outermost layer
The middle layer
The innermost layer
The atmosphere
Which of the following is a chemical process?
Melting
Freezing
Combustion
Evaporation
What is the primary function of the thorax in the human body?
Protecting the brain
Protecting the heart and lungs
Supporting the legs
Digesting food
What is the process of gas exchange in the lungs called?
Photosynthesis
Respiration
Digestion
Circulation
