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blood/lymph

the circulation of blood and lymph

TermDefinition
Blood delivered to the intestines by these enter capillaries in the intestinal wall mesenteric arteries
Most of these have valves that permit the flow of blood toward the heart, even against the force of gravity veins
Blood pressure can be calculated by multiplying... blood flow X peripheral resistance
Blood returns from the brain and passes through the brachiocephalic vein and then passes into the... superior vena cava
The left ventricle pumps blood into the largest artery in the body, the... aorta
What carries blood from the ventricles of the heart to the tissues and organs of the body? arteries
smooth muscle smooth muscle inside the wall of an arteriole allows it to constrict or relax, changing the radius
What organ is a pinkish-gray lymphatic organ located in the upper thorax and plays a key role in the body's immune process? thymus gland
What organ does the hepatic portal vein deliver blood to? liver
pulmonary veins Returns the blood, rich in oxygen, to the left atrium
Low blood pressure stimulates the kidneys to release which enzyme? renin
angiotensinogen Renin acts on this plasma protein
Metarterioles Small vessels that directly link arterioles with venules
The aortic arch curves from this and makes a U-turn ascending aorta
The sequence of blood flow through the pulmonary circulation right atrium -> right ventricle -> pulmonary artery -> pulmonary capillaries -> pulmonary veins -> left atrium
Pulmonary circulation Blood flows from a continuous network of blood vessels that forms a double circuit and connects the heart and the lungs
Vertebral arteries Two arteries that pass through the foramen magnum and join on the ventral surface of the brain stem
Which veins carry blood rich in oxygen? pulmonary
Blood vessels Tubes that deliver blood to the tissues
Why are chest compressions so important for people who suffer cardiac arrest? Rapid and repeated chest compressions are important because manually compressing the heart keeps the blood flowing with necessary oxygen to the brain. The brain requires a constant supply of oxygen to prevent cell death
What conducts blood back to the heart? veins
Internal jugular veins Blood from the venous sinuses empties into these at both sides of the neck
Abdominal The region of the descending aorta below the diaphragm
Tunics 3 layers of the wall of an artery or vein
Thoracic duct Lymphatic vessels from all over the body, except the RUQ deliver lymph to this area
Precapillary sphincter Smooth muscle cell that regulates the blood supply to each organ and its subdivisions
Tissue; interstitial fluid When plasma enters the tissues it's called this
Inferior vena cava Receives blood returning from below the level of the diaphragm
Hepatic portal vein Delivers blood from the organs of the digestive system to the liver
Arterioles Smallest branches of an artery and are important in regulating blood pressure
Thoracic aorta Passes through the chest cavity
Important functions of the lymphatic system are... to maintain fluid balance; to defend the body against disease by producing lymphocytes; to absorb lipids from the intestines
Vasodilation An increase in blood vessel diameter that decreases resistance to blood flow
Capillaries Permit materials to be exchanged between the blood and tissues
Venules From capillaries, blood passes into this
Aldosterone Angiotensin II acts indirectly to maintain blood pressure by increasing the synthesis and release of this hormone by the adrenal glands
Created by: corinbrower
 

 



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