Flashcards in Circulation and Respiration Deck (76):
The word cardio means
The word vascular means
Arteries, veins, and capillaries are
blood vessels that carry blood pumped by the heart
The heart, blood, and blood vessels together make up
the cardiovascular system
What are three examples of how the cardiovascular system helps maintain homeostasis?
it carries nutrients to your cells, removes wastes from your cells, and carries chemical signals called hormones throughout the body
What kind of tissue makes up most of the heart?
Each upper chamber of the heart is called a(n)
Each lower chamber of the heart is called a(n)
The right side of the heart pumps oxygen-poor blood to the
The left side of the heart pumps oxygen-rich blood to the
When atria relax, what do ventricles do?
Why do the heart's valves close?
to prevent blood from going backwards
What part of the heart makes the "heartbeat" sound?
valves as they close
What carries blood back to the heart
What allows exchanges between blood and body cells
What carries blood away from the heart
What is pressure caused by heartbeats
What is caused by the rhythmic change in blood pressure?
What is the narrowest kind of blood vessel
What kind of blood vessels are helped by the contracting of skeletal muscles?
What kind of blood vessels stretch due to blood pressure?
What enters the blood when it is pumped to the lungs?
What leaves the blood when it is pumped to the lungs?
Where does the exchange of blood and oxygen take place in the lungs?
The flow of blood between the heart and the lungs is
The flow of blood between the heart and the rest of the body is
Cardiovascular problems can harm the whole
A healthy diet and plenty of (blank) can reduce the risk of cardiovascular problems
What is the leading cause of death in the United States?
What is the fatty buildup in blood vessels
What is abnormally high blood pressure called?
What is the brain damage caused by damage to the blood vessels called?
What is the condition caused by the death of heart muscle cells?
What can happen when blood supply to the heart is blocked?
may suffer from heart attack
An adult body has about (blank) liters of blood
Name the four components of blood
plasma, red blood cells, platelets, white blood cells
The fluid part of the blood is called
What do red blood cells do?
take oxygen to every cells in your body
To what does hemoglobin cling?
When bleeding starts, (blank) form a plug to reduce blood loss
What are two things white blood cells do?
Destroys pathogens, and help clean wounds
bacteria, viruses, and other microscopic organisms
To fight pathogens, white blood cells destroy pathogens or release
What destroys dead or damaged body cells?
white blood cells
Blood helps to regulate body
When body temperature rises, blood vessels in the skin
The force that blood exerts on the walls of the arteries is called
When is systolic pressure measured?
the pressure inside large arteries when ventricles contract
When is diastolic pressure measured?
the pressure inside arteries when ventricles relax
What are two organs that can be damaged by high blood pressure?
heart or kidney
To what does a blood type refer?
chemicals called antigens on red blood cells
What kinds of antibodies does a person with type A blood have?
How do type B antibodies react to B antigens?
react as if the antigens were pathogens
Which blood type is a universal donor?
What does a transfusion attempt to replace?
blood loss because of surgery or injury
Your body needs oxygen in order to get (blank) from the food you eat
What is the process of using oxygen and releasing carbon dioxide and water called?
What is inhalation and exhalation called?
What is the area of the throat that contains the vocal chords?
What are a group of organs that take in oxygen and get rid of carbon dioxide called?
What is the main passage into and out of the respiratory system?
What is another word for throat?
What is the use of oxygen by cells to release energy stored in food called?
What is the tube guarded by the larynx called?
What is the tube that connects the trachea to the lungs called?
What are the smaller branches of bronchi?
What are the tiny sacs at the ends of the bronchioles called?
Name two kinds of muscle involved with breathing
diaphragm, rib muscles
When you inhale, the (blank) contracts
When the diaphragm contracts, the (blank (two words)) contract and lift the rib cage
When you inhale, you take in (blank)
Oxygen diffuses into (blank (three words))
red blood cells
When the oxygen is carried to cells, it is used to release (blank)
Cellular respiration produces water and (blank)
What may trigger asthma?
dust or pollen