________ from the tissue cells diffuse into the interstitial fluid, where they are present in higher concentrations than within the blood.
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entry of pathogens
The clot prevents further blood loss, and also restricts the ________ into the blood.
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Phagocytosis
refers to the ingestion of harmful foreign particles, bacteria and dead or dying cells by certain types of white blood cells called phagocytes.
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thrombokinase
The enzyme released by the damaged tissue and activated platelets
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human circulatory system
The main vessels of the ________ are: (a) Pulmonary arteries that supply oxygen- poor blood from the heart to the lungs (b) Pulmonary veins that bring oxygen- rich blood from the lungs to the heart (c) Aorta that supplies oxygen- rich blood from the heart to the rest of the body.
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Fibrin
Threadlike structures that form a mesh across the damaged surface and traps red blood cells, forming a clot.
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Capillaries
microscopic vessels that connect between the arteries and veins.
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septum
The structure that separates the right and left sides prevent the blood from mixing, so that the maximum amount of oxygen can be carried to the tissues.
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phagocytes
Cells that detect a foreign particle and engulf it by stretching itself around the particle and enclosing it.
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higher concentration of nutrients
There is a(n) ________ and oxygen in blood than in the interstitial fluid.
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fibrinogen
a soluble plasma protein converted to fibrin by thrombin.
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C
(________) Veins- Vessels that return blood to the heart.
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coronary artery
If it occurs in a(n) ________, a heart attack takes place.
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Bicuspid valves and tricuspid valves
The two valves collectively known as atrioventricular valves.
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coronary arteries
Vessels that are found on the heart surface itself, and supply blood to the heart muscles.
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interstitial fluid
The solution bathing tissue cells becomes known as tissue fluid, or ________.
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17
Double circulation
The process that describes that blood passes through the heart twice in a complete circuit.
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Veins
Vessels that return blood to the heart
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Pulmonary
arteries that supply oxygen-poor blood from the heart to the lungs
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Hepatic portal vein
Vessel that transports blood from the alimentary canal to the liver.
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Antibodies
special proteins found in blood and other bodily fluids that help phagocytes identify and neutralise foreign particles.
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Pericardial fluid
The fluid between the two layers cardiac muscles, which reduces friction when the heart beats
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