Heart Structure and Function

What is the main organ of the circulatory system?

• bladder
• heart
• veins
• arteries

Oxygen-poor blood flows into what atrium? 

• left
• bottom
• right
• top

The two chambers of the heart which receive blood are known as the _________

• atria
• ventricles
• systemics
• pulmonic

Pulmonary circulation involves blood flow to and from the heart and the _______.

• body
• digestive organs
• brain
• lungs

Blood passes from 

• ventricle to atria
• aorta to pulmonary trunk
• atria to ventricle
• atria to atria

Freshly oxygenated blood is delivered to the _____________ and then it passes into the  __________ to be pumped to the entire body.

• right ventricle; right atrium
• left ventricle; left atrium
• left atrium; left ventricle
• right atrium; right ventricle

The most muscular chamber of the heart is the 

• left ventricle
• left atrium
• right atrium
• right ventricle

The name given to the study of the heart structure and function

• cardiology
• epidemiology
• endocrinology
• biology

What is the funtion of the capillaries?

• Endures high blood pressure
• Get rid of waste
• Collect blood
• Transfer oxygen and nutrients

What is the aorta?

• A muscular tube
• Regulate blood flow
• A small vein
• The main artery of the body