Killer Teas V Practice Test-Science Part I. Rated A+

Alveoli are tiny sacs surrounded by what? - capillaries Veins are blood vessels that transport blood from the capillaries to the what? - heart Arteries are blood vessels that transport blood away from the heart and to the what? - capillaries what serves as the location for the exchange of oxygen, carbon dioxide fluid and nutrients within the body? - capillaries What are the bronchial tubes are lined with? - cilia What circulatory system includes what body structures? - Heart, Blood, Blood Vessels Deoxygenated blood enters the heart through which two structures? - 1) Superior vena cava 2) Inferior vena cava when the right atrium contracts, blood flows through the tricuspid valve and goes where? - Right ventricle How many chambers does the heart have & what are the names of the chambers? - The heart has 4 chambers. 1-Right Atrium, 2-left Atrium, 3-Right ventricle, 4-Left ventricle Inhaled air travels from the trachea into what structure? - the right & left bronchial tubes When the left ventricle contracts, blood flows through the what? - Aorta The mitral and aortic valves are on which side? - Left side Name the four valves in the heart - 1) Aortic 2) Pulmonary 3) Bicuspid 4)Bicuspid (aka mitrial valve) Oxygenated blood flows from the lungs into the left? - Atrium The respiratory process begins when air is inhaled through the nose and into the what? - Trachea What does the respiratory system supply to the tissues of the body? - Oxygenated blood The tricuspid and pulmonary valves are both on what side of the heart? - The right side when the right ventricle contracts blood flows into the Pulmonary artery and the into where? - the lungs. What is Cell Theory? - 1) All cells arise from preexisting cells. 2) Cells can carry out the processes of life. 3) Organisms are made of cells that function together. The end products of photosynthesis are? - Oxygen & Glucose The process of cytoplasm division during plant cell replication is known as? - Cytokinesis What principle is this? "An object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object." - Archimede's Principle Hardening of the arteries is known as? - Arteriosclerosis Cholesterol known as LDL means? - Low Density Lipoproteins What does Lock & Key model mean? - A model for enzyme actions