Circulatory System: The Heart
Taken from multiple sets and combined into one
Blood vessels carry blood to every part of your __________.
Blood moves __________ and nutrients to cells.
Blood moves oxygen and __________ to cells.
Blood carries __________ __________ and other wastes away from cells.
Blood carries carbon dioxide and other __________ away from cells.
Movement of materials into and out of your cells occurs by __________ and active transport.
Your heart is made of __________ muscle tissue.
Your heart has __________ chambers.
The two upper chambers of your heart are called __________.
The two lower chambers of your heart are called __________.
A one-way __________ separates each atrium from the ventricle below it.
The wall between the right and left ventricles and atriums prevents oxygen poor blood from __________ with oxygen rich blood.
Scientists have divided the circulatory system into __________ sections.
The flow of blood to and from the tissues of the heart is called __________ circulation.
The flow of blood through the heart to the lungs and back to the heart is called __________ circulation.
When blood is pumped into your lungs __________ is picked up by red blood cells.
When blood is pumped to your lungs __________ __________ is released by red blood cells.
Blood vessels that pump blood away from the heart are called __________.
Arteries carry blood that is rich in __________.
The right ventricle is connected to the __________ artery.
The left ventricle is connected to the __________.
The largest artery in the human body is called the __________.
The blood vessels that carry blood back to the heart are called __________.
Veins have one-way __________ that keep blood moving toward the heart.
superior vena cava
The __________ __________ __________ returns blood from your head and neck back to the heart.
inferior vena cava
The __________ __________ __________ returns blood from your abdomen and lower body back to the heart.
Arteries and veins are connected by microscopic blood vessels called __________.
The walls of capillaries are only __________ cell thick.
Nutrients and oxygen __________ into body cells through the thin capillary walls.
Waste materials and carbon dioxide __________ from body cells into the capillaries.
Blood pressure is highest in __________.
Blood pressure is lowest in __________.
The force of the blood on the walls of the blood vessels is called __________ __________.
The rise and fall of your blood pressure in your blood vessels occurs with each __________.
When you measure blood pressure when the heart contracts your are measuring __________ pressure.
When you measure blood pressure when the heart relaxes your are measuring __________ pressure.
Your body tries to keep blood pressure __________.
In the United States the leading cause of death is __________ disease.
A disease called __________ occurs when fatty deposits build up on the walls of arteries.
What is another name for high blood pressure?
What happens when the heart cannot pump blood efficiently?
To prevent cardiovascular disease you should choose to eat foods that are low in __________, sugar, cholesterol, and saturated fats.
To prevent cardiovascular disease you should choose to eat foods that are low in salt, __________, cholesterol, and saturated fats.
To prevent cardiovascular disease you should choose to eat foods that are low in salt, sugar, ____________, and saturated fats.
To prevent cardiovascular disease you should choose to eat foods that are low in salt, sugar, cholesterol, and ____________ ____________.
Learning to __________ and having a regular program of exercise can help prevent tension and relieve stress.
Learning to relax and having a regular program of __________ can help prevent tension and relieve stress.
Another way to prevent cardiovascular disease is to not __________.
Smoking causes the blood vessels to contract, and makes the heart beat __________ and harder.
Smoking causes blood vessels to contract and makes the heart beat faster and __________.
Blood carries waste products from your cells to your __________ to be removed.
Blood transports __________ and other substances to your body cells.
Cells and molecules in blood fight __________ and help heal wounds.
The liquid part of blood is called __________.
Which part of your blood transports dissolved nutrients, minerals, and oxygen?
red blood cells
Which blood cell contains hemoglobin?
A molecule found in red blood cells that binds to oxygen and carbon dioxide is called __________.
white blood cells
Which blood cell fights bacteria, viruses, and other invaders of your body?
Which blood cell helps clot blood?
In humans there are __________ blood types.
Blood types A, B, and AB have chemical identification tags called __________.
red blood cells
Antigens can be found on the surface of which blood cells?
Blood type O has no __________ on the surface of red blood cells.
In blood types A, B, and O there are __________ that destroy or neutralize substances that do not belong in or are not part of your body.
If you have type A blood you can receive blood from blood types __________ and __________.
If you have blood type B you can receive blood from blood types __________ and __________.
If you have blood type AB you can receive blood from __________ blood types.
If you have blood type O you can receive blood from blood type __________.
You have blood type A and you want to donate blood. Which other blood types can you donate blood to?
You have blood type B and you want to donate blood. Which other blood types can you donate blood to?
You have blood type AB and you want to donate blood. Which other blood types can you donate blood to?
You have blood type O and you want to donate blood. Which other blood types can you donate blood to?
You have blood type A. What antigens are found on your red blood cells?
You have blood type B. What antigens are found on your red blood cells?
A and B antigens
You have blood type AB. What antigens are found on your red blood cells?
You have blood type O. What antigens are found on your red blood cells?
What antibodies can be found in the blood of a person with blood type A?
What antibodies can be found in the blood of a person with blood type B?
What antibodies can be found in the blood of a person with blood type AB?
Anti-A and Anti-B antibodies
What antibodies can be found in the blood of a person with blood type O?
If the Rh factor is on red blood cells, the person has __________ blood.
If the Rh factor is not on red blood cells, the person has __________ blood.
Can a person with Rh+ blood donate blood to a person with Rh- blood?
Can a person with Rh- blood donate blood to a person with Rh+ blood?
layer that encloses the heart
direction in which the heart points
layer also known as the epicardium
separated from the epicardium by the pericardial cavity
layer that protects the heart by reducing friction
thick middle layer of the wall of the heart; composed of smooth, cardiac muscle
inner layer of the heart wall consisting of epithelium and connective tissue as well as some specialized muscle tissue
receive blood from lungs and body
receive blood from atria and force into body
separates right and left sides of heart
between right atrium and ventricle
fibers attatched to the tricuspid valve which pull it closed when papillary muscles contract, preventing backwash of blood
responsible for pulling the atrioventricular valves closed by means of the chordae tendineae
link between right ventricle and artery extending from it
bicuspid (mitral) valve
between left atrium and ventricle
largest artery in the body
between the left ventricle and the largest artery in the body
pulmonary valve and aortic valve
skeleton of the heart
rings of dense connective tissure surrounding the pulmonary trunk and aorta
first two branches of the aorta; feed the heart
extreme chest pain caused by blockage (thrombus) of coronary arteries
blood clot completely blocking a coronary artery, causes a heart attack
another name for heart attack
enlarged vein from junctions of coronary veins which empty into the right atrium
contraction of heart muscle
relaxation of heart muscle
atrial systole/ventricular diastole, ventricular systole/atrial diastole, brief complete diastole
mass of merging cells that function as a unit
cardiac conduction system
fibers of cardiac muscle tissue which distribute impulses over the entire heart
small, elongated mass of specialized cardiac muscle tissue just beneath the epicardium in the right atrium near the opening of the superior vena cava-starts impulses
common name for S-A node
only normal conduction pathway between the atrial and ventricular syncytia
group of fibers which receive impluse from the atrioventricular node; also known as the bundle of His
extend from branches of A-V bundle, stimulate muscle fibers in the ventricular walls
recording of the electrical changes that occur in the myocardium during a cardiac cycle
deflection in a ECG
in an ECG corresponds to depolarization of the atrial fibers (leads to contraction
in ECG corresponding to depolarization of ventrical membranes, much stronger!!
in ECG last wave of cardiac cycle corresponding to repolarization
decreases S-A and A-V nodal activity; leads to heart rate decrease
detect changes in blood pressure
expandable extension of the atruim
groove that marks border between atria and ventricles
separates the two atria
separates the two ventricles
prominent muscular ridges along the inner surface of the auricle and across the adjacent anterior atrial wall
penetrates interatrial septum from fifth week of embryonic development until birth
small depression of site of prior foramen ovale
muscular ridges on the internal surface of the ventricles
hollow, muscular organ in the center of the chest that pumps blood throughout the body
a wall of tissue that separates the left and right sides of the heart
hollow tubes that transport blood through the body
take blood away from the heart
smallest blood vessels; materials are exchanged between the blood and the body's cells
carry blood back to the heart
connective tissue that includes plasma, red and white blood cells and platelets
upper chambers of the heart that receive blood that comes into the heart