Circulatory & Respiratory System

What portion of your blood will be responsible for get rid of a bacterial infection?

• white blood cells

• red blood cells

• platelets

• plasma

Carry mostly oxygen-rich blood away from heart

• Arteries

• Veins

• Capillaries

Which of these definitions is the BEST description of what the circulatory system's function is?

• The system fights disease so the body stays healthy.

• Circulates blood through the body to deliver oxygen and nutrients to body cells

• Breaks down food into a simpler form so they can be absorbed by the body

• Provides shape and structure for the body.

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

What part of blood has the vital responsibility of delivering oxygen to body cells?

• Platelets

• Capillaries

• Plasma

• Red Blood Cells

What portion of the blood is liquid and composed of mostly water?

• plasma

• lymph

• urea

• bile

Capillaries are the blood vessels that

• connect arteries with veins and facilitate the exchange of carbon dioxide for oxygen.

• carry blood away from the heart.

• carry blood toward the heart.

If you fall of your bike and skin your knee, what part of the blood help form the scab to stop the bleeding?

• red blood cells

• white blood cells

• platelets

• plasma

Which of the following represents the correct path of blood into, through, and out of the heart?

• left atrium, left ventricle, lungs, right atrium, right ventricle, the body

• right atrium, right ventricle, lungs, left atrium, left ventricle, the body

• left atrium, left ventricle, right atrium, right ventricle, lungs, the body

• right atrium, lungs, right ventricle, left atrium, the body, left ventricle

Veins carry mostly deoxygenated blood:

• away from the heart

• towards the heart