Heart Structure and Function

What is the main organ of the circulatory system?

• bladder
• heart
• veins
• arteries

deoxygenated blood flows into what atrium?

• left

• bottom

• right

• top

What is the aorta?

• a muscular tube
• regulate blood flow
• a small vein
• the main artery of the body

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

• atria (atriums)

• ventricles

• systemics

• pulmonic

Blood leaves the right ventricle through the ___________.

• pulmonary artery
• aorta
• superior vena cava
• right atrium

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

• body
• digestive organs
• brain
• lungs

What does letter D represent?

• aorta
• left atrium
• left ventricle
• right atrium

What does letter B represent?

• aorta
• superior vena cava
• inferior vena cava
• right pulmonary artery

Tags

NGSS.HS-LS1-2

What carries the oxygenated blood from the lungs to the left atrium of the heart?

• vena cava 
• aorta
• pulmonary vein
• pulmonary artery

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