Grade 9- Moderate

1. It is a tube that connects the larynx and pharynx to the lungs.

• Trachea

• Bronchi

• larynx

• Pharynx

2. It is also known as the throat, is located behind the mouth and nasal cavity. It connects the mouth and the nasal cavity to the esophagus

• Trachea

• Bronchi

• larynx

• Pharynx

3. These are two air passageway tubes that branch out from the trachea and direct the air directly into the lungs.

Which of the following is the fluid part of blood that holds the blood cells in suspension and makes up 55% of the blood’s volume?

• Plasma

• RBC

• Platelets

• WBC

What is the largest organ of Human Body?