Unit 2: Respiratory System

What primary gas product is removed from your system during Exhalation?

• Air

• Oxygen

• Carbon Dioxide

• Carbon Monoxide

Tags

NGSS.MS-LS1-3

The two main branches extending from the trachea to the lungs

• Bronchi

• Alveoli

• Capillaries

• Bronchioles

Where the exchange of gases actually occur?

• Bronchi

• Trachea

• Oxygen

• Alveoli

The tube that conveys air to and from the lungs; the windpipe

• Esophagus

• Bronchi

• Trachea

• Alveoli

The thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest. It contracts and flattens when you inhale.

• Intercostal

• Diaphragm

• Epiglottis

• Larynx

The "gate" that prevents food or fluid from entering the trachea.

• Pharynx

• Larynx

• Esophagus

• Epiglottis

Is inhalation an "active" movement or "passive"

• Active

• Passive

Pair of serous membranes lining the thorax and enveloping the lungs

• Alveoli

• Pericardium

• Pleura

• Bronchi

What muscles are used in breathing in and breathing out?

• diaphragm and intercostals
• diaphragm and lungs
• lungs and ribs
• lungs and diaphragm

When the diaphragm contracts...

• the volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs.
• the volume of the thoracic cavity decreases and the pressure increases causing air to rush out of the lungs.