Arteries Have a thick wall Have a small lumen Carry blood AWAY from the heart Don’t have any valves Veins Have a thin wall Have a large lumen Carry blood TO the heart Have valves Capillaries lets the exchange of gas to take place it’s one cell thick The Blood The blood is made up of 4 parts‚ the white blood cells‚ red blood cells‚ plasma and platelets
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outcomes Power point Handouts Demonstrating Listening Taking notes Questioning Questioning 09.45- 09.54 9mins OBJ:to demonstrate the sites of venipuncture LOC: learners will be able to identify the safe sites of the veins to
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atherosclerosis‚ and arteriovenous malformation. Some that are less common‚ but do occur would include drugs‚ infection‚ and trauma. Dissecting aneurysms occur when blood enters a vessel wall through a rupture in the intima‚ which is the inner lining of vein or artery. The damage in dissecting aneurysms varies greatly depending on the damage it has already caused. These are the weakest aneurysms‚ because they don’t leave the premises of the parent vessel. There are cases were dissecting aneurysms cause
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Unit 1 Questions 1- 3 Figure 1 The sources of blood glucose in a human body during a normal day of 24 hours are shown in the above figure. Glucose is primarily derived from glycogenolysis occurring between meals. Glucose is chiefly sourced from the dietary intake for few hours following the principal meals of the day. Late at night‚ gluconeogenesis becomes the predominant source of glucose. 1 Glycogenolysis decreases after midnight because A C 2 gluconeogenesis takes place. hepatic glycogen is
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1.6 VESSELS: ARTERIES‚ VEINS & LYMPHATICS CARDIOVASCULAR SYSTEM Structure • heart‚ arteries‚ arterioles‚ capillaries‚ venules‚ veins Functions • transportation (oxygen‚ carbon dioxide‚ nutrients‚ wastes‚ wastes hormones) • regulation (pH‚ body temperature‚ temperature fluid & electrolytes) Principle arteries and veins CARDIOVASCULAR SYSTEM • Heart: pumps blood • Artery: vessel leaving the heart (Arteries take blood AWAY from your heart) • Vein: vessel going to the heart • Capillaries:
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The connectors between the veins and arteries. Very tiny and thin walled like arterioles‚ (their actually buddies) their function is to supply body tissue with the components of blood and to get rid of waste from surrounding cells. They have a specific job‚ unlike most blood vessels‚ which primary job is to transport blood from one station to another continuously. Venules • Venules are minute veins- Meaning real quick. There main job is to drain the capillaries into veins‚ returning the blood to the
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12-7-15 Anatomy Cardiovascular System The Cardiovasuclar system is one of the most important systems in your body and it is also one of the largest systems in your body. This system consists of the heart‚ and a system of vessels called arteries‚ veins and capillaries. They are responsible for transporting‚ nutrients hormones‚ oxygen and waste throughout the body. All of these play an important part in this system and the system would fall apart if one wasn’t there. This system is is powered by
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through the Superior Vena Cava which is the large vein at the top of the heart‚ and the Inferior Vena Cava‚ which is the large vein at the bottom of the heart. Blood flows into the right atrium‚ passes through the tricuspid valve‚ and makes its way into the right ventricle. It then moves through the pulmonic valve‚ into the pulmonary artery to the lungs.” After picking up oxygen in the lungs‚ the blood moves out of the lungs into the pulmonary vein‚ into the left atrium‚ through the mitral valve‚
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cells and sheets of elastin Outer Tunica externa Collagen fibers that protect and reinforce the blood vessels and anchor it to surrounding structures 2. In the following list of characteristics‚ put “A” for artery‚ “C” for capillary‚ and “V” for vein: v contain the lowest pressure a contain the highest pressure a has thick tunica media v thin tunica media c smallest of the blood vessels a carries blood away from heart v largest lumen—blood reservoir c has only one tunic (intima) v carries
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Low Molecular Weight Heparin Paper Low molecular weight heparin is typically used for patients who need to be treated for deep vein thrombosis. Deep vein thrombosis (DVT) is a blood clot (thrombus) in a deep vein usually in the legs. These clots are dangerous because they can break loose‚ travel through the bloodstream to the lungs‚ and block blood flow in the lungs (pulmonary embolism). There are many reasons why clots form in a patient. Mainly
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