9LP101 Vocabulary - Respiratory System

What is gas exchange? Fill in the blank: When you breathe, you take in ______ and give out ______.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

• nitrogen, oxygen

• hydrogen, nitrogen

What are lungs made of and what is their function? Fill in the blank: Lungs are made of ______ tissue that can expand when you breathe in, allowing you to take in lots of ______.

• elastic, oxygen

• muscular, carbon dioxide

• bone, nitrogen

• cartilage, water vapor

What protects your lungs? Fill in the blank: Your lungs are protected by the hard and strong bones that make up your ______.

• ribcage

• skull

• spine

• pelvis

Which part of the respiratory system is a large tube that air moves down after entering your mouth or nose?

• trachea (windpipe)

• alveoli

• diaphragm

• bronchioles

What happens when you inhale? Fill in the blank: When we breathe in, we inhale to take in ______.

• oxygen

• carbon dioxide

• nitrogen

• hydrogen

What happens when you exhale? Fill in the blank: When we breathe out, we exhale to remove ______.

• carbon dioxide

• oxygen

• nitrogen

• water vapor

What is respiration? Fill in the blank: The oxygen is used in respiration to transfer ______. Respiration produces ______ ______, which needs to be removed from the body.

• energy, carbon dioxide

• heat, oxygen

• water, glucose

• nutrients, nitrogen

Tags

NGSS.MS-LS1-7

What does it mean to contract in terms of breathing? Fill in the blank: When you breathe, muscles in your chest ______ or contract.

• tighten

• loosen

• expand

• relax

What is the diaphragm? Fill in the blank: The diaphragm is a ______-shaped muscle beneath the lungs that contracts to draw in air and relaxes to expel it.

• dome

• cube

• pyramid

• cylinder

What is lung volume? Fill in the blank: The amount of air lungs can hold is known as ______ ______.

• lung volume

• tidal pressure

• air capacity

• respiratory rate