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The three major parts of the circulatory system are the heart, the blood vessels, and the blood. The heart is an organ made up of specialized cells.
Which of these functions can the heart perform that individual heart cells cannot?
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using energy
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pumping blood
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growing
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removing waste
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- Figure 16.10 Which of the following statements about the circulatory system is false? a. Blood in the pulmonary vein is deoxygenated. b. Blood in the inferior vena cava is deoxygenated. c. Blood in the pulmonary artery is deoxygenated. d. Blood in the aorta is oxygenated.Which one of the following statements is incorrect? There are no valves in arteries. the walls of veins are thin. the walls of capillaries are thick. veins carry blood into the heart.Which of the following is a large blood vessel that carries blood away from the heart? A. Vein B. Artery C. Capillary D. Nerve
- How do arteries differ from veins? Arteries have thicker smooth muscle layers to accommodate the changes in pressure from the heart. Arteries carry blood. Arteries have thinner smooth muscle layers and valves and move blood by the action of skeletal muscle. Arteries are thin walled and are used for gas exchange. Arteries have direct connections to capillaries whereas veins do not.Which of the following is NOT a part of all circulatory systems? 1.something to cause force/pressure 2.vessels 3.a fluid that moves throughout the body 4.bloodThe circulatory system has 5 functions. · Highlight the statements below that are only functions of the circulatory system. It carries cells that help to fight diseases. It gives structure and support to the body. It carries waste products to the urinary system. It carries carbon dioxide from cells to the lungs. It maintains body posture. It carries nutrients from the digestive system to other cells. It carries oxygen from the lungs to other cells.
- What is the organ that pumps blood all throughout the human body? The lungs The heart The kidneys The blood vessels and capillariesThe air we breathe in travels to our lungs where oxygen is picked up by our blood and then pumped by the heart to our tissue and organs. When a person experiences cardiac arrest, the heart goes from a normal beat to having an irregular rhythm and eventually ceases to beat altogether. This prevents oxygen from circulating throughout the body, rapidly killing cells and tissue. In essence, Cardio (heart) Pulmonary (lung) Resuscitation (revive, revitalize) serves as an artificial heartbeat and an artificial respirator. CPR may not save the victim even when performed properly, but if started within 4 minutes of cardiac arrest, a person has a 40% chance of survival You see a man collapse on close assessment, you realize the man has no movement and is not breathing. Recommend the first Aid you would give to this casualty clearly stating the CPR procedure? A nose bleed is when blood flows from one or both nostrils. It’s normally caused by the tiny blood vessels inside the nostrils being…Which type of blood vessels carries blood away from the heart? Veins Arteries Capillaries Arteries, veins and capillaries
- Which of the following is the best description of what happens in capillaries? A. Capillaries are surrounded by thicker smooth muscle moving blood cells to exchange nutrients and oxygen. B. Capillaries connect minor veins to major veins returning blood to the heart. C. Capillaries are the location where oxygen, carbon dioxide, and nutrients are exchanged with tissues at the cellular level. D. Capillaries are the site where blood mixes with interstitial fluid to allow for gas and nutrient exchange.Which of the following statements about our heartbeat is incorrect? Group of answer choices Pulse rate of a person generally changes throughout the day. Each heartbeat has a pulse. Our pulse rate can be increased by exercise. Our pulse rate changes with age. The number of heartbeats increases while we sleep.Which of the following statements is correct? Group of answer choices Veins carry blood away from the heart A stenotic heart valve would restrict the flow of blood through the valve Semilunar valves are located between the atria and the ventricles The right ventricle pumps blood to the systemic circulation
