chapter 4.1

What structure is pointed at in this image?

• Tricuspid valve

• Septum

• Semilunar valves

• Bicuspid valve

Which chamber of the heart is this?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

what is the purpose of circulation

• supply O2 and nutrients and remove waste

• break down the food

• get oxygen into the lungs

• remove solid waste

what is the function of arteries

• take blood to heart

• take blood away from heart

• take blood to colon

• take blood to brain

what is the function of the veins

• take blood toward heart

• take blood away from heart

• remove waste

• take blood to stomach

Where does the blood collect oxygen?

• From the trachea

• From the kidneys

• From the lungs

The heart has how many chambers (rooms)?

• four
• three
• two

What is the main function of the heart?

• To produce hormones

• To pump blood throughout the body

• To digest food

• To regulate body temperature

The most muscular chamber of the heart is the 

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

Vessels with narrow lumens

• arteries

• capillaries

• veins