Ch26: Heart & Blood Vessels

What best describe the circulatory system in humans?

• Open and Single

• Open and Double

• Closed and single

• Closed and Double

How do unicellular organisms get the oxygen and nutritrients they need?

• Diffusion

• Osmosis

• Circulatory system

• Lungs

Which of the following blood vessels have valves?

• Artery

• Vein

• Capillary

• Arteriole

• Venoule

Portal systems in humans start and end with which blood vessel?

• Arteries

• Veins

• Capillaries

• Arterioles

• Venules

What separates both sides of the heart?

• Septum

• Coronary vessels

• Tricuspid valve

• Semi lunar valves

Name the large artery that takes blood from the heart to around the body

• vena cava

• coronary artery

• aorta

• pulmonary artery

Where does the pulmonary artery bring blood to?

• kidneys

• lungs

• liver

• all around the body

Name the valves found in the arteries of the heart

• Pulmonery

• Semi-lunar

• Bicuspid

• Tricuspid

Name the large chambers on the bottom of the heart

• Ventricles

• Atriums

• Septum

• Pericardium

Name the blood vessels that brings oxygenated blood from the lungs to the left side of the heart

• Vena cava

• Aorta

• Pulmonary vein

• Pulmonary artery