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Digestive System › View

gastrorrhagia

A. Discharge of blood from the stomach.

B. Bursting forth of blood.

C. Spitting up blood (from the respiratory tract).

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Breathing System › View

What is the function of the trachea?

A. To carry air to and from the lungs

B. To warm and moisten the air

C. To trap dirt particles and bacteria

D. To exchange gases in the alveoli

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