Respiratory and Musculoskeletal

Which of the following is the main function of the respiratory system?

• Obtains oxygen and remove carbon dioxide from the body

• Transports oxygen and nutrients to the body cells

• Protects the body from invading organisms

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

• bronchioles

• lung lobes

• alveoli

• capillaries

Muscle that helps your lungs pull in air and push it out.

• diaphragm

• alveoli

• heart

• trachea

Alveoli increase the surface area in the lungs to allow...

• More nutrients to be absorbed
• You to breathe faster
• You to breathe slower
• More O2 and CO2 to exchange

which part of the respiratory system is in Label 3?

• Bronchi

• Bronchioles

• Alveoli

• Tube

The musculoskeletal system is responsible for...

• Body movement

• Protecting internal organs

• Framework for organ systems

• All the above

What connects bones together?

• tendons

• ligaments

• cartilage

• nutrients

which one of these has smooth muscles?

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which one of these has the cardiac and smooth muscles?

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which one of these has skeletal muscles?

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