Circulatory System

_____________ carry oxygen-rich blood away from the heart to all of the body's tissues.

• Arteries

• Capillaries

• Veins

• Alveoli

A flap of tissue that prevents blood from flowing backward.

• Atrium

• Ventricle

• Valve

• Epiglottis

Blood vessels that carry blood back to the heart.

• Veins

• Capillaries

• Atrium

• Arteries

Type of cell in blood that defends the body against infection.

• Red Blood Cells

• White Blood Cells

• Platelets

• Plasma

Cell fragment in blood that helps blood clot.

• Platelets

• White Blood Cells

• Red Blood Cells

• Plasma

Blood flows from the right atrium into the _______________ _______________.

• right atrium

• left atrium

• right ventricle

• lefte ventricle

The right ventricle pumps blood into the _____________, where the blood releases waste gases and picks up oxygen.

• lungs

• body

• liver

• kidneys

Your ____________ is the number of times your heart beats per minute when you are not active.

• pulse
• resting heart rate
• anxiety level
• physical fitness level

This particular blood vessel carries deoxygenated blood from the lower half of the body to the right atrium

• super vena cava

• inferior vena cava

• pulmonary artery

• pulmonary vein

This particular blood vessel carries deoxygenated blood away from the heart to the lungs.

• super vena cava

• inferior vena cava

• pulmonary artery

• pulmonary vein