sistem pernafasan

What do humans, animals, and plants require for survival?

• Carbon dioxide

• Water

• Oxygen

• Sunlight

Which of the following is NOT a primary organ of the human respiratory system?

• Nose

• Larynx

• Stomach

• Lungs

What is the primary function of the fine hairs and mucus in the nose and trachea?

• To produce sound

• To regulate body temperature

• To filter out dust, dirt, and germs

• To absorb oxygen into the bloodstream

Apakah Anda menikmati pelajaran video tersebut?

• Ya

• Tidak

Where does the exchange of oxygen and carbon dioxide occur in the lungs?

• Bronchi

• Trachea

• Alveoli

• Larynx