Cardiorespiratory System

It is normally positioned with 2/3 of its bulk to the left of the breastbone.

• diaphragm

• heart

• lungs

The ____ branch off into alveoli.

• bronchioles

• alveoli

The ____ are grapelike structures at the end of the bronchioles.

• bronchioles

• alveoli

It is a dome-shaped muscle that controls breathing.

• diaphragm

• alveoli

• lungs

the pumping chambers of the heart

• atria

• ventricles

blood vessels taht carry blood away from the heart

• atria

• ventricles

• arteries

• veins

blood vessels that carry blood toward the heart

• atria

• ventricles

• arteries

• veins

The average is 60 to 100 times per minute

• heartbeat

• heart sounds

• blood vessels

distinct sounds are produced and consists of a pattern lub dub

• heartbeat

• heart sounds

• blood vessels

Which of the following organs below does NOT belong to cardiorespiratory system?

• pharynx

• bronchioles

• tongue

• trachea