Circulatory & Respiratory Systems

The cartilaginous rings which make up the trachea are _________.

• O shaped

• U Shaped

• C shaped

• All of the above

Match the following

• system which transports oxygen, hormones and nutrients to body tissues and carbon dioxide waste

• Arteries

• vessels which carry blood toward the heart

• Veins

• grooves holding arteries and veins in the heart

• Circulatory System

• vessels which carry blood away from the heart to the body tissues

• Sulci

Match the following

• letting air out of the lungs

• Hard Palate

• bringing air into the lungs

• Alimentary Canal

• separates the nasal cavity and the oral palate

• Expiration

• tube which connects the mouth and the rectum

• Inspiration

• system in which main functions are to bring in oxygen and rid the body of waste in the form of CO2

• Respiratory System

The trachea divides into two branches called the _________.

• Sulci

• Bronchi

• Chordae Tendineae

• Cusps

What structure helps to prevent food from entering the sinus cavity during swallowing?

• The uvula and/or epiglottis

• The soft palate

• The bronchi

• The chordae tendineae

The SA node is located in the _________.

• Right Ventricle

• Right Atrium

• Left Ventricle

• Left Atrium

Which structure holds the chordae tendineae to the interior walls of the heart?

• Sulci

• Bronchi

• Papillary Muscles

• None of these

Which structures prevent heart valves from being forced backward into the wrong chamber?

• Sulci

• Bronchi

• Cusps

• None of these

The wall separating the left side of the heart from the right side is the

• Sulcus

• Bronchus

• Atrium

• None of these

Identify the waste gas removed from the blood during expiration.

• Oxygen

• Carbon Dioxide

• Water

• All of these