The Heart
This organ pumps blood through the body.
What is the heart?
These vessels carry blood away from the heart.
What are arteries?
These cells carry oxygen in the blood.
What are red blood cells?
This process moves oxygen from the lungs into the blood.
What is diffusion?
This force pushes blood through vessels.
What is blood pressures?
These upper chambers of the heart receive blood.
What is the atria?
These vessels carry blood back to the heart.
What are veins?
This liquid portion of blood carries nutrients and waste.
What is plasma?
This circulation loop moves blood between the heart and lungs.
What is pulmonary circulation?
This measurement shows the pressure when the heart beats.
What is systolic pressure?
These lower chambers pump blood out of the heart.
What are the ventricles?
These microscopic vessels allow exchange of gases and nutrients.
What are capillaries?
These cells help fight infection.
What are white blood cells.
This circulation loop delivers oxygenated blood to the body.
This measurement shows the pressure when the heart rests between hearts.
What is the diastolic pressure?
This valve prevents backflow between the left atrium and left ventricle.
What is the mitral valve?
These vessels have valves to prevent backflow of blood.
These cells fragments help blood clot.
What are platelets?
This molecule in red blood cells carries oxygen.
What is hemoglobin?
This condition occurs when blood pressure is too high.
What is hypertension?
This side of the heart pumps blood to the lungs.
What is the right side?
This largest artery carries oxygenated blood from the heart to the body.
What is the aorta?
This protein in red blood cells binds oxygen.
What is hemoglobin?
This gas is carried from tissues back to the lungs for removal.
What is carbon dioxide?
This term describes the resistance of blood flow in vessels.
What is vascular resistance?