The 1% Club

90%: What is another name for breathing?

• Respiration

• Inhalation

• Exhalation

• Oxygenation

Answer explanation

• Explanation: Respiration is the process of inhaling oxygen and exhaling carbon dioxide. It is also known as breathing.

Tags

NGSS.MS-LS1-3

80%: What is the name of the muscle that helps you breathe?

• Biceps

• Triceps

• Diaphragm

• Quadriceps

Answer explanation

The diaphragm is a dome-shaped muscle that separates the chest cavity from the abdominal cavity. It contracts and moves down when you inhale, creating more space in your chest for your lungs to expand.

70%: What are the tiny air sacs in your lungs called?

• Bronchi

• Alveoli

• Trachea

• Larynx

Answer explanation

Alveoli are small, grape-like clusters of air sacs in the lungs where oxygen and carbon dioxide are exchanged between the air and the blood.

60%: What is the name of the tube that connects your mouth and nose to your lungs?

• Trachea

• Bronchi

• Pharynx

• Larynx

Answer explanation

The trachea, also known as the windpipe, is a tube that connects the mouth and nose to the lungs. It is made of rings of cartilage that keep it open and prevent it from collapsing.

50%: What is the name of the flap of tissue that covers your windpipe when you swallow?

• Epiglottis

• Tonsils

• Adenoids

• Uvula

Answer explanation

The epiglottis is a flap of tissue that covers the windpipe when you swallow, preventing food and liquid from entering the lungs.

40%: What are the two main functions of the nose?

• Smelling and hearing

• Breathing and tasting

• Breathing and smelling

• Tasting and hearing

Answer explanation

The nose has two main functions: breathing and smelling. It filters, warms, and moistens the air you breathe, and it contains olfactory receptors that detect different smells.

30%: What are the two types of bronchi in your lungs?

• Superior and inferior

• Left and right

• Primary and secondary

• Upper and lower

Answer explanation

The bronchi are the main air passages in the lungs. There are two types of bronchi: primary bronchi, which branch off from the trachea and enter each lung, and secondary bronchi, which branch off from the primary bronchi and enter each lobe of the lung.

20%: What is the name of the part of your throat that connects your nose and mouth to your larynx and esophagus?

• Pharynx

• Epiglottis

• Trachea

• Larynx

Answer explanation

The pharynx, also known as the throat, is a muscular tube that connects the nose and mouth to the larynx and esophagus.

10%: What is the name of the part of your voice box that contains two pairs of vocal cords that vibrate when air passes through them?

• Epiglottis

• Trachea

• Larynx

• Pharynx

Answer explanation

The larynx, also known as the voice box, is a structure in the throat that contains two pairs of vocal cords that vibrate when air passes through them, producing sound.

9%: What is the name of the part of your chest wall that consists of 12 pairs of ribs that protect your lungs and help you breathe?

• Sternum

• Clavicle

• Scapula

• Scapula

Answer explanation

The ribcage is the part of the chest wall that consists of 12 pairs of ribs that protect the lungs and help with breathing.