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science

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1.
_____ is the chemical reaction in cells that needs oxygen to release energy and produces carbon dioxide and water as waste. (1 point)

Breathing

Exhaling

Inhaling

Respiration

2.

Lungs are masses of _____, grapelike clusters of tiny sacs that are surrounded by _____, where oxygen and carbon dioxide are exchanged.
(1 point)

alveoli; capillaries
bronchioles; alveoli
cilia; hemoglobin
hemoglobin; capillaries

3.
_______ is the correct sequence of air flow through the respiratory system, which is powered by the _______. (1 point)

Larynx, pharynx, trachea, lungs, bronchi; heart
Pharynx, larynx, trachea, bronchi, alveoli; diaphragm
Trachea, larynx, bronchi, alveoli; brain
Pharynx, larynx, bronchi, alveoli, blood; lungs

  • science -

    My Answers:
    1)D
    2)B
    3)C

  • science -

    Oh and this one to..

    5.
    Which of the diseases listed in the figure shown above is caused by swollen alveoli in the lungs, leading to difficulty breathing? (1 point)

    chronic bronchitis
    emphysema
    heart disease
    lung cancer


    My Answer:
    5)B

  • science -

    No.

  • science -

    1.D

  • science -

    1 is D
    2 is A
    3 is B
    4 is D
    5 is B

    so yeah you're jerks you made me get a 60 instead of a 100 freaking liars i never lie so here are that real answers

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