Circulatory and Respiratory

How is oxygen transported in the blood?

• Hemoglobin in White Blood Cells

• Dissolved in Plasma

• Hemoglobin in Red Blood Cells

• Bound to Platelets

How is carbon dioxide transported in the blood?

• Dissolved in Plasma

• Bound to Platelets

• Hemoglobin in Red Blood Cells

• Hemoglobin in White Blood Cells

Where does blood rich in oxygen go?

• Body cells

• The lungs

What blood vessels bring blood to the lungs?

• arteries

• veins

• capillaries

What type of blood vessels brings blood away from the lungs?

• arteries

• veins

• capillaries

Blood vessels that are only one cell thick

• arteries

• veins

• capillaries

Blood vessels with a thick lumen and valves to prevent back flow

• arteries

• veins

• capillaries

The heart has ___ chambers.

• 1

• 2

• 3

• 4

Thin-walled vessels that allow for the exchange of O_{2 ,} CO₂, nutrients and wastes between blood cells or air sacs in the lungs

• Arteries

• Veins

• Capillaries

Which is the correct definition of the Circulatory system?

• The system fights disease so the body stays healthy.

• The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.

• Breaks down food into smaller pieces and absorbs those nutrients into the body.

• Provides shape and structure for the body.