$CATEGORY: Science - Khan Academy/6.Life Processes/6.Life Processes--Transportation

//Multiple Choice

Where is the Adam’s apple located in our body? {
    ~Chest
    ~Stomach
    =Throat
    ~Brain
}

What is the name of the muscle that forms the floor beneath the lungs and heart? {
    ~Intercostal muscle
    =Diaphragm
    ~Rib cage
    ~None of the above
}

Which of the following is present in the thoracic cavity? {
    ~Only lungs
    ~Only heart
    =Both (a) and (b)
    ~None of the above
}

Where does the exchange of gases occur within our body? {
    =Alveoli
    ~Trachea
    ~Bronchi
    ~Esophagus
}

Which of the following is a function of the lungs? {
    ~Transport oxygen to body cells
    =Filter and warm air
    ~Digest food
    ~Pump blood
}

The process of inhaling and exhaling air is known as\: {
    ~Respiration
    =Breathing
    ~Circulation
    ~Digestion
}

What is the function of alveoli in the lungs? {
    =Exchange of gases
    ~Produce mucus
    ~Produce saliva
    ~Transport oxygen
}

The lungs are located in the _______ (thoracic, abdominal) cavity. {
    =Thoracic
    ~Abdominal
    ~Pelvic
    ~Cranial
}

//True or False

The pathway of air remains nearly the same, regardless of the route it enters. {T}

The pace of voice can be controlled by using the muscles surrounding the Adam’s apple. {T}

There are only two lobes present in the left lung. {T}

The lungs are responsible for removing oxygen from the blood. {F}

The diaphragm helps in the process of breathing by contracting and relaxing. {T}

The trachea is the main airway that carries air to the lungs. {T}

The balloon-like sacs present inside the lungs are called the alveoli. {T}

//Match the following

Match the following items from Column A with their correct corresponding options from Column B\:
{
=Alveoli -> Responsible for gas exchange.
=Diaphragm -> Contracts and relaxes to help with breathing.
=Pleura -> Provides a protective covering for the lungs.
=Trachea -> Carries air from the throat to the lungs.
}


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