Which chamber of the heart receives blood returning from the body?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Thin-walled vessels that allow for exchange of 0₂ and CO_2, nutrients and wastes between blood cells or alveoli in the lungs

• veins

• arteries

• capillaries

• aorta

What is pulmonary circulation?

• Blood travelling to and from the lungs

• Blood travelling to and from the body

• A blood clot in the lungs

• The vessels that brings blood to the lungs

Arteries, veins and capillaries are three types of

• Heart valves

• Veins

• Cells

• Blood vessels

Which system is responsible for providing oxygen to cells?

• Respiratory system

• Circulatory system

• Muscular system

• Nervous system

What does deoxygenated mean?

• Oxygen-rich

• Water flow

• Blood flow

• Oxygen-poor

Blood circulation from the heart to the rest of the body is called ...

• Full body

• Systemic

• Pulmonary

• Heart to lung

The circulatory system works with the …. system to obtain energy from nutrients that we eat

• respiratory

• digestive

• skeletal

• nervous

The heart is divided into how many parts?

• 2

• 4

• 8

• 3

Veins carry deoxygenated blood back to the heart

• True

• False

• True, except for pulmonary veins, which carry oxygenated blood