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Circulatory System Crossword Puzzle

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Circulatory System

              7                   8        
          9   10                            
15                                   16      
      18                   19                
            22         23                    
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2 The liquid part of blood
4 Atomic number is 8
6 A organ that is protected by your rib cage
10 A condition in which an artery wall thickens from a buildup of fatty materials
11 The process bt which molecules move from an area of higher concentration to lower concentration
12 An iron-containing protein that binds chemically to oxygen molecules
13 A group of cells located in the right atrium that sends out signals that make the heart contract and regulates heart rate
14 Tiny blood vessels where substances are exchanged between the blood and the body cells
15 The fluid that the lymphatic ststem collects and returns to the blood stream
17 The pressure that is exerted by the blood against the walls of blood vessels
18 A lower chamber of the heart that pumps blood out to the lungs and body
20 A disorder in which a person's blood pressure is consistently higher than normal
22 A condition in which blood flow to part of the heart muscle is blocked, causing heart cells to die
1 A knob
2 Cell fragmentsthat play an important part in forming blood clots
3 Red fluid circulating in the body
5 Each of the two upper chambers of the heartthat receives blood that comes into the heart
7 Another hsaying for circulatory system
8 Blood vessels that carry blood away from the heart
9 The alternating expression and relaxation of an artery wall as blood travels through an artery
12 In good condition: in good physical or mental condition
16 Basic unit structure and function of living things
18 A blood vesselthat carries blood back to the heart
19 A organ founfd inair-breathing vertebrates that exchanges oxygen and carbon dioxide with the blood
21 A flap of tissue in the heart or a vein that prevents blood from flowing backwards
23 The largest artery in the body
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