Boys science Crossword
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
                                              
 
 
Down: 1) transports blood, delivers essential substances, and removes wastes. 3) immune cells that destroy invaders.5) smallest blood vessels where exchange of materials with cells occur.7) prevents the back flow of blood.8) Consists of two pumps that pump blood throughout your body.9) pumps de-oxygenated blood to the lungs.12) A gland that produces insulin and other digestive enzymes13) blood vessels that carry blood away from the heart. 15) circulating tissue made of plasma, cells, and platelets.16) blood vessels that carry blood toward the heart.18) Chemically and mechanically digest food20) Muscular tube that pushed food to the stomach Across: 2) removes impurities and toxins from the blood and produces bile4) heart beats for a certain amount of time.6) collects de-oxygenated blood from the body.10) transports oxygen to your cells.11) collects oxygenated blood from the lungs12) fluid part of the blood 14) Absorbs water from the solid waste and eliminates the solid waste15) measure of the force of blood pushing against the walls of arteries.17) Group of organs that take in and digest food and eliminate solid waste19) pumps oxygenated blood throughout the body.21) Takes oxygen from the air and transfers it to the blood22) Absorbs the nutrients from the food and transfers them to the bloodstream.23) The body system consisting of the lungs and passageways to them.
 

 

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