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Terms in this set (82)
Functions of Cardiovascular System
Generates blood pressure
Keep blood flowing in 1 direction
Oxygenates the blood
Regulate blood flow
Carry oxygen rich blood away from heart
Returns oxygen poor blood to heart
Smallest blood vessels that exchange substances
The side of the heart that is depicted as blue because it carries deoxygenated blood
The side of the heart that is depicted as red because it carries oxygenated blood.
A sac surrounding the heart that secretes fluid
Consists of cardiac muscle tissue, which contracts blood
Upper/superior chambers of heart
Have thin walls
Lower/inferior chambers of the heart
Has thick walls
Atrioventricular Valves (AV)
Between atrium and ventricles
Make the 1st lub sound when closing
String-like structure that anchor valves
Type of AV Valve on the right side of heart.
Type of AV Valve on left side of heart.
Lie between ventricles and their attached vessels
Make the 2nd Dub sound when closing
Vena Cavas - R. Atrium - Tricuspid Valve - R. Ventricle - Pulmonary Valve - Pulmonary Arteries - Lungs - Pulmonary Veins - L. Atrium - Bicuspid Valve - L. Ventricle - Aortic Valve - Body
What is the path of blood?
A semilunar valve on the right side of the heart
A semilunar valve on the left side of the heart
Ventricles contract and pump blood out of the heart.
Highest arterial pressure.
Ventricles relax and receive blood.
Lowest arterial pressure.
Top - Systole Bottom - Diastole
In BP, what is the top number called and what is the bottom number called?
Initiates the heart beat
Increases heart rate
Decreases heart rate
A recording of the electrical changes of the heart
Chaotic quivering of the irritated ventricles that drastically reduces cardiac output.
What is the average BP?
Skeletal Muscle Contraction. One way valves. Respiratory Movements
What is Venus return dependent on?
Powered by L. Ventricle.
Carries oxygenated blood to body
High blood pressure. Either a systole pressure of 140 or more, or a diastole pressure of 90 or more.
Plaque build up in arteries
Another name for Stroke
White Blood Cells, Red Blood Cells, Platelets
What are the formed elements of blood?
What is the non-formed element of the blood?
Functions of Blood
Regulates temperature, ph, and water-salt balance
92% Plasma, 8% Proteins and Nutrients
What and how much is the blood composed of?
Red Blood Cells
Produced in Red Bone Marrow
Have biconcave disks
4 polypeptide chain
Too few RBCs
Folic acid deficiency
Most abundant of WBCs
1st responders to infection
Respond to parasite infection or allergy
Kidney shaped nucleus
Consist of T cells and B cells
Aid in blood clotting
Antigens on RBCs
Antibodies in Plasma
Blood Type A
has A antigens
has anti-B antibodies
Blood Type B
has B antigens
has anti-A antibodies
Blood Type AB
has A and B antigens
does not have antibodies
Blood Type O
does not have antigens
has anti-A and anti-B antibodies
Eukaryotic vs. Prokaryotic, nucleus vs. no nucleus, plasma membrane only vs. plasma membrane and cell wall
What are the differences between animal cells and bacteria?
Living thing vs. non-living thing, can stand on its own vs. needs a host cell to live.
What are the differences between animal cells and viruses?
Functions of Lymphatic System
Absorb excess fluid
Absorb fats from small intestine
Defend the body by producing lymphocytes
Primary Lymphatic Organs
Red Bone Marrow and Thymus Gland
Secondary Lymphatic Organs
Spleen, Lymph Nodes, Tonsils, and Peyer's Patches
Becomes smaller as people get older
Produce Thymic Hormones
Skull Sternum Ribs Pelvic Bone
Where is red bone marrow found?
Barrier to entries, Inflammatory response, protective proteins, natural killer cells
What are the nonspecific defenses?
Skin, Mucous Membrane, Chemical Barriers
What are some examples of barriers to entry?
Redness, Swelling, Heat, Pain
What are the symptoms of the inflammatory response?
What is the protective protein that pokes holes in bacterial cells?
What is the protective protein that warns non-infected cells?
B Lymphocytes, T Lymphocytes
What are the specific defenses?
B Cells Become Plasma Cells and secrete antibodies that turn into Memory B cells that remain in the body to fight off infections
How do B cells defend the body?
The most common antibody
The antibody that responds to allergies
Cytotoxic T Cells
A type of T cell that kills virus infected or cancer cells
Helper T Cells
Produce by cytokines
Attacked by HIV
Surpressor T Cells
Stimulates and suppresses B Cells
When your body makes its own antibody to defend itself
When your body borrows antibodies from somewhere else to defend itself.
Hypersensitivities to substances
The largest vein and carries deoxygenated blood
Only artery that carries deoxygenated blood
2 types of hormones in sympathetic system
Hemoglobin combined with oxygen
Another name for White Blood Cells
Thrombin acts on Fibrinogen to form Fibrin Thread
What is the last step of blood clotting?
Reproduce through binary fission
Have outer capsids that contain DNA or RNA
T lymphocytes and Macrophages
What do Lymph nodes contain?
a chemical mediator during inflammatory response
Contain treated antigen
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