Right lymphatic duct b. Thoracic (left lymphatic) duct c. Right and left subclavian veins d. Cisterna chyli . e. Determine the direction of blood and lymph movement between arterioles, blood and lymph capillaries, and venules. Blood and lymph move between arterioles, blood and lymph capillaries, and venules through lymphatic capillaries. These capillaries are located in the spaces between cells and are closed at one end. Blood capillaries converge to form venules and then veins.
From the lungs, blood drains into the left atrium and is then pumped into the left ventricle. The left ventricle then pumps this oxygen-rich blood out into the aorta which then distributes it to the rest of the body through other arteries. The heart is a hollow, muscular organ; its job is to pump blood through a network of blood vessels. The vessels form a circle, which starts at the heart, goes out through the body, then ends back at the heart again. The heart has two sides, the right and the left side.
These four chambers are separated from each by various valves. The tricuspid valve separates the right atrium and right ventricle and the mitral separates the left atrium and left ventricle. Two valves separate the ventricles and the large blood vessels. The aortic valves separates the left ventricle and the aorta and the pulmonic valve which separates the pulmonary artery and the right ventricle. The blood vessels are a intricate network of tubes that transport blood throughout the body.
Explain the relationship between the hepatic artery, hepatic vein, and hepatic portal vein. Include how these blood supplies influence the vascularization of the lobule (which is the functional unit of the liver). 6. Explain what a portal triad is. Follow the output of bilirubin (which is hemoglobin waste) through the liver lobule and portal triad.
Once the impulse reaches the AV node, it is delayed there before being conducted through the fast conduction network of the bundle of His (located in the septum), down the left and right bundle branches and finally arriving at the Purkinje fibres to the myocardium of the ventricles. The time taken for an impulse from the SA node to reach the Purkinje fibres is represented as the P-R interval on the ECG. This enables the ventricles to contract (ventricular systole) from the apex to the base of the heart in a coordinated fashion and allow the blood to exit the ventricles via the aorta and pulmonary artery, which is represented as
8. Explain the following events in the cardiac cycle: change in ventricular, aortic, and atrial pressure; changes in ventricular volume; and heart sounds. * Events associated with the flow of blood through the heart during a single complete heartbeat. * TWO main periods of cardiac cycle: systole – contraction; diastole – relaxation * AV valves open when pressure atria exceeds pressure ventricles, semilunar valves opens pressure ventricles EXCEEDS pressure arteries 1) Ventricular filling: AV opens a. Passive: no atria/ventricular contraction b.
It is divided vertically into two halves by a septum, and each side of the heart has two internal chambers – an atrium on top and a ventricle on the bottom. Venous blood enters the right side of the heart through the right atrium and is pumped by the right ventricle to the lungs, where carbon dioxide is released and oxygen acquired. Oxygenated blood from the lungs is transported to the left atrium and is pumped by the left ventricle into arteries that carry it throughout the body. Four heart valves regulate the direction and flow of blood through the chambers of the heart. It is their opening and shutting that gives the heart its characteristic "lub-dub" beat.
c. Gallbladder—lies on posterior side of the liver. d. Pancreas—located behind the stomach, attached to the duodenum. 3. Name the four layers of the wall of the alimentary canal. a. Mucosa or mucous membrane b. Submucosa c. Muscular layer d. Serosa or serous layer 4.
7. Ischemic heart disease a. Review the blood supply of the heart. Know what myocardial regions are supplied by each coronary artery and how to determine which coronary artery is dominant. b.
Which describes the talk test? A. Maximum heart rate B. Ventilatory threshold C. Heart rate reserve D. Caloric expenditure 1. Name the four chambers of the heart. right / left artery right / left ventricle 2.