Question | Answer |
What system do heart, blood, arteries, veins, capillaries, and lymphatic system make up? | Circulatory system |
What does the heart and the three types of blood vessels make up? | Cardiovascular system |
What does the word cardio mean? | Heart |
What does the word vascular mean? | Blood vessel |
What are arteries, veins, and capillaries; they carry blood throughout the body? | Vessels |
What kind of tissue makes up most of the heart? | Cardiac |
What is each upper chamber of the heart called? | Atrium |
What is each lower chamber of the heart called? | Ventricle |
Where does the right side of the heart pump oxygen-poor blood to? | Lungs |
Where does the left side of the heart pump oxygen-rich blood to? | Body |
When atria relax, what do ventricles do? | Contract |
Why do the heart's valves close? | To prevent blood from going the other direction |
What part of the heart makes the heartbeat sound? | Veins |
What carries blood back to the heart? | Veins |
What allows exchanges between blood and body cells? | Capillary |
What carries blood away from the heart? | Artery |
What is pressure caused by heartbeats? | Blood pressure |
What is caused by a rhythmic change in blood pressure? | Pulse |
What is the narrowest kind of blood vessel? | Capillaries |
What kind of blood vessels are helped by the contracting of skeletal muscles? | Veins |
What kind of blood vessels stretch due to blood pressure? | Arteries |
What is added to blood when it is pumped to the lungs? | Oxygen |
What is taken from blood when it is pumped to the lungs? | Carbon dioxide |
Where does the exchange of blood and oxygen take place in the lungs? | Capillaries |
What is the flow of blood between the heart to the lungs? | Pulmonary circulation |
What is the flow of blood between the heart and the rest of the body? | Systematic circulation |
What can cardiovascular problems harm? | Body |
What can reduce the risk of cardiovascular problems? | A healthy diet and plenty of excercise |
What are the leading causes of death in the United States? | Heart diseases |
What is fatty buildup in blood vessels called? | Astherosclerosis |
What is abnormally high blood pressure called? | Hypertension |
What is brain damage caused by damage to blood vessels called? | Stroke |
What is a condition caused by the death of heart muscle cells called? | Heart attack |
What can happen when blood supply to the heart is blocked? | Heart attack |
How many liters of blood does an adult body have? | 5 |
What are the four components of blood? | Plasma, red blood cells, platelets, white blood cells |
What is the fluid part called? | Plasma |
What do red blood cells do? | Take oxygen to every cell in your body |
To what does hemoglobin cling? | Oxygen |
What forms a plug to reduce blood loss when you start bleeding? | Platelets |
What two things do white blood cells do? | Destroy pathogens and clean wounds |
What do pathogens include? | Bacteria, viruses, and other microscopic organisms |
What do white blood cells do to fights pathogens? | Destroy pathogens or release antibodies |
What destroys dead or damaged body cells? | White blood cells |
What does blood help to regulate? | Body temperature |
What happens when body temperatures rise? | Blood vessels in the skin enlarge |
What is the force the blood exerts on the walls of the arteries called? | Blood pressure |
When is systolic pressure measured? | When the ventricles contract |
When is the diastolic pressure measured? | When the ventricles relax |
What are two organs that can be damaged by high blood pressure? | The heart and the kidney |
To what does a blood type refer? | Chemicals called antigens on red blood cells |
What kind of antibodies does a person with type A blood have? | Type B |