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2.01 Remember the structures of the circulatory system.

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Presentation on theme: "2.01 Remember the structures of the circulatory system."— Presentation transcript:

1 2.01 Remember the structures of the circulatory system

2 2 Essential questions What are the structures of blood? What are the structures of the circulatory system?

3 2.01 Remember the structures of the circulatory system 3 Structures of the circulatory system Blood Heart Arteries Veins Capillaries

4 Blood Hemat- = blood -ology = the study of The average adult has 8 – 10 pints. 2.01 Remember the structures of the circulatory system 4

5 Blood One drop of blood contains: 5 million RBCs 250,000-500,000 platelets 7,500 WBCs Red blood cells live 120 days. Make new blood cells 2 million per second! 2.01 Remember the structures of the circulatory system 5

6 6 Structures of the blood Plasma Erythrocytes Leukocytes Thrombocytes

7 Plasma 2.01 Remember the structures of the circulatory system 7 Plasma Cellular elements

8 Plasma proteins 2.01 Remember the structures of the circulatory system 8 Plasma Cellular elements

9 2.01 Remember the structures of the circulatory system 9 Erythrocytes Biconcave disk Hemoglobin Transportation Oxygen Carbon dioxide

10 2.01 Remember the structures of the circulatory system 10 Leukocytes Larger than erythrocytes Five types Leuk/o/cytes – white cells

11 2.01 Remember the structures of the circulatory system 11 Leukocytes Agranulocytes Lymphocytes Monocytes

12 2.01 Remember the structures of the circulatory system 12 Leukocytes Granulocytes Neutrophils Eosinophils Basophils

13 2.01 Remember the structures of the circulatory system 13 Thrombocytes Smallest of solid components of blood Synthesized in red marrow Not cells, composed of fragments of megakaryocytes Necessary for the initiation of the blood clotting process

14 2.01 Remember the structures of the circulatory system 14

15 2.01 Remember the structures of the circulatory system 15 Blood types Inherited from parents Determined by presence or absence of an antigen on the surface of the red blood cell

16 2.01 Remember the structures of the circulatory system 16 In 1901, the Austrian immunologist Karl Landsteiner discovered that blood may be grouped into four main types. Based on the reaction that resulted when blood from different individuals were mixed.

17 2.01 Remember the structures of the circulatory system 17 Blood types Someone with type A antigen has B antibodies Someone with type B antigen has A antibodies Someone with type AB antigen has no antibodies Someone with type O antigen has A and B antibodies

18 2.01 Remember the structures of the circulatory system 18 Rh factor Rhesus (Rh) factor is an inherited trait that refers to a specific protein found on the surface of red blood cells (antigen). Blood used in transfusions must match donors for Rh status as well as for ABO blood type. Although Rh factor doesn't affect the patients health, it can affect pregnancy.

19 2.01 Remember the structures of the circulatory system 19 Rh factor In 1940, the Rh factor was discovered as a result of studying Rhesus monkeys. When blood from monkeys was injected into rabbits and guinea pigs, it clotted.

20 2.01 Remember the structures of the circulatory system 20 Rh factor If the blood has the protein, the patient is Rh positive. If the blood lacks the protein, the patient is Rh negative.

21 2.01 Remember the structures of the circulatory system 21 Structures of the circulatory system Heart

22 2.01 Remember the structures of the circulatory system 22 Heart The heart is a double pump.

23 2.01 Remember the structures of the circulatory system 23 Heart Superior vena cava Inferior vena cava Right atrium Tricuspid valve Bicuspid (mitral) valve Left atrium Aorta Pulmonary artery Pulmonary vein Pulmonary semilunar valve Aortic semilunar valve Apex Septum Right ventricle Left ventricle

24 2.01 Remember the structures of the circulatory system 24 Layers of the heart Right atrium Right ventricle Left atrium Left ventricle Myocardium Endocardium Pericardium

25 2.01 Remember the structures of the circulatory system 25 Conduction system of heart beats Refer to your textbook to identify the structures of the hearts conduction system in the correct sequence for the heart to beat.

26 2.01 Remember the structures of the circulatory system 26 Structures of the circulatory system ARTERIES

27 2.01 Remember the structures of the circulatory system 27 Vessels of the circulatory system ARTERIES Carry oxygenated blood away from the heart to the capillaries Elastic, muscular and thick-walled Transport blood under very high pressure Arteries > arterioles > capillaries

28 2.01 Remember the structures of the circulatory system 28 Vessels of the circulatory system Arterial blood Oxygen rich Bright red, spurts

29 2.01 Remember the structures of the circulatory system 29 Structures of the circulatory system VEINS

30 2.01 Remember the structures of the circulatory system 30 Vessels of the circulatory system VEINS Carry deoxygenated blood away from capillaries to the heart Veins contain a muscular layer, but less elastic and muscular than arteries Thin walled veins collapse easily when not filled with blood Veins have values that permit flow of blood only in direction of the heart Veins > Venules > Capillaries

31 2.01 Remember the structures of the circulatory system 31 Vessels of the circulatory system Venous blood Oxygen poor Dark crimson, oozes

32 2.01 Remember the structures of the circulatory system 32 Vessels of the circulatory system

33 2.01 Remember the structures of the circulatory system 33 Structures of the circulatory system Capillaries Capillaries The smallest blood vessels Connect arterioles to venules

34 2.01 Remember the structures of the circulatory system 34 Structures of the circulatory system Trace the flow of blood through the body

35 2.01 Remember the structures of the circulatory system 35 Flow of blood through the body Right side Superior vena cava Inferior vena cava Right atrium Tricuspid valve Right Ventricle Pulmonary valve Pulmonary artery Lungs CO2 and O2 exchange Left Side Pulmonary vein Left atrium Bicuspid valve Left ventricle Aortic valve Aorta Body

36 2.01 Remember the structures of the circulatory system 36 Pulse sites Alternating expansion and contraction of an artery as blood flows through it.

37 2.01 Remember the structures of the circulatory system 37 Common pulse sites


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