What is the primary organ of the circulatory system?

• Brain

• Heart

• Liver

• Stomach

Which chambers of the heart are located in the lower part?

• Left & Right Atria

• Left & Right Ventricles

• Left Atrium & Right Ventricle

• Right Atrium & Left Ventricle

Where does blood enter the right atrium from?

• Pulmonary artery

• Aorta

• Cranial/superior/anterior vena cava

• Left ventricle

Through which vessels is blood sent back to the heart from the lungs?

• Pulmonary arteries

• Pulmonary veins

• Aorta

• Vena cava

What type of blood enters the heart?

• Oxygenated blood

• Deoxygenated blood

• Carbonated blood

• Nutrient-rich blood

What is the primary role of the left atrium in the heart?

• To pump blood to the lungs

• To receive blood from the lungs

• To pump blood to the body

• To receive blood from the body

Identify the chambers of the heart.

a

b

c

d

left atrium

right ventricle

leftventricle

right atrium

Identify the Vena Cava.

Identify the Aorta.

Tags

NGSS.MS-LS1-3

Identify the Pulmonary Artery.