Chapter 4
Assigned Videos
Chapter 5
Chapter 6
Amazing Facts About Your Heart
100
This movement generates nearly 85% of the heat that keeps the body warm.
What is Muscle?
100
This is all that muscles do.
What is contract and relax?
100
This valve controls the opening between the right atrium and the right ventricle.
What is the Tricuspid Valve?
100
Since the lymphatic system does not have a pump-like organ, it must depend on the pumping motion of these to move the fluid.
What are Muscles?
100
Your adult heart beats about this many times each day.
What is 100,000 times each day?
200
These muscles are made up of fibers that are covered with fascia and are attached to bones by tendons.
What are Skeletal?
200
The heart weighs about this many grams.
What is 250 to 350 grams? Or 8.82 to 12.35 ounces.
200
This receives oxygen-poor blood from all tissues, except the lungs, through the superior and inferior venae cavae.
What is the Right Atrium?
200
This collects lymph from the right side of the head and neck, the upper right quadrant of the body, and the right arm and empties into the right subclavian vein.
What is the Right Lymphatic Duct?
200
In the United States one woman dies from heart disease, stroke, or another form of cardiovascular disease every....
What is every Minute?
300
These muscles are located in the walls of internal organs such as the digestive tract, blood vessels, and ducts leading from glands.
What are Smooth?
300
Your lymphatic system recovers about this may liters of blood fluid per day.
What is 3?
300
These arteries carry deoxygenated blood out of the right ventricle and into the lungs. This is the only place in the body where deoxygenated blood is carried by arteries instead of veins.
What are The Pulmonary Arteries?
300
Each small, bean-shaped lymph node contains specialized lymphocytes that are capable of destroying these.
What are Pathogens?
300
People with low fitness levels have double the risk of this.
What is Heart Disease?
400
This muscle is like striated skeletal muscle in appearance but is similar to smooth muscle in that its action is involuntary.
What is Myocardial?
400
These are the two main nervous systems in the body.
What is Central and Peripheral?
400
This node establishes the basic rhythm and rate of the heartbeat. For this reason, it is known as the natural pacemaker of the heart.
What is the Sinoatrial Node? or the SA Node.
400
T cells, also known as T lymphocytes, get the T in their name from their origin in this gland.
What is the Thymus?
400
This percent of heart disease is preventable with healthy lifestyle choices and management of risk factors.
What is 80%?
500
This is the movement of a limb (arm or leg) toward the midline of the body.
What is Adduction?
500
CPR can help prolong heart function during cardiac arrest, but it usually can't save a life without help from a one of these.
What is a Defibrillator?
500
These are specialized conductive fibers located within the walls of the ventricles.
What are the Purkinje Fibers?
500
These are three masses of lymphoid tissue that form a protective ring around the back of the nose and upper throat.
What are the Tonsils?
500
Every minute, your heart pumps about this many quarts of blood through a system of blood vessels that's over 60,000 miles long.
What are Five Quarts?
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