Teaching of science: Circulatory system!
- 3. • • • • •
- 5. 1. What you have learn in the video presentation? 2. How heart pumps blood? 3. Why is it circulatory is important in human body?
- 7. Learning Objectives At the end of the lesson, the student should be able to: 1. Explain the function of the circulatory system. 2. Describe the parts and function of the heart. 3. Compare flow of systematic, pulmonary and coronary circulation.
- 8. 4. Illustrate how the organs work together in circulation. 5. Appreciate the importance of circulatory of the human body.
- 10. Direction: With the same groups the teacher will give a material and procedure for the activity. Each group must have one representative to answer the given questions after the activity based on their observation.
- 11. Materials: 1 beaker or wide mouthed jar 1 balloon 2 flexible drinking straws 1 pair of scissors
- 13. The circulatory system is the life support structure that nourishes your cells with nutrients from the food you eat and oxygen from the air you breathe
- 14. The role of the circulatory system is to move nutrients, hormones, oxygen and other gases to your body's organs, muscles and tissues, to use for energy, growth and repair. Heart disease, stroke and high or low blood pressure, are common circulatory system conditions.
- 15. 2 3 Heart Blood Vesels Blood 1
- 16. 1 remainder is to pump blood and oxygen around the body and deliver waste products (carbon dioxide) back to the lungs to be removed.
- 17. remainder • Right atrium - Your right atrium kicks off the action by taking in all the oxygen- poor (deoxygenated) blood from your body. Blood enters through two large veins called your superior vena cava and your inferior vena cava.
- 18. remainder 2. Left atrium - receives oxygenated blood from the four pulmonary veins, and pumps it through the left atrioventricular orifice (guarded by the mitral valve) into the left ventricle
- 19. remainder 3. Right ventricle - receives deoxygenated blood from the right atrium, and pumps it through the pulmonary orifice (guarded by the pulmonary valve), into the pulmonary artery.
- 20. remainder 4. Left ventricle - receives oxygenated blood from the left atrium, and pumps it through the aortic orifice (guarded by the aortic valve) into the aorta
- 21. –carries the blood throughout the body. 3 main types • Arteries • Veins • Capillaries
- 22. -carry oxygenated blood away from the heart to the cells, tissues and organs of the body.
- 23. - carry deoxygenated blood to the heart.
- 24. -the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins the actual site where gases and nutrients are exchanged.
- 26. remainder • red blood cells • white blood cell • platelets • plasma.
- 27. remainder Red blood cells - also known as erythrocytes, are responsible for carrying oxygen from the lungs to the body's tissues and organs.
- 28. remainder White blood cells, or leukocytes -are an essential part of the immune system. They help defend the body against infections and foreign substances.
- 29. remainder Platelets- are small cell fragments that play a crucial role in blood clotting.
- 30. Plasma - is the liquid component of blood, making up about 55% of its volume. It is a yellowish fluid that carries various substances, including nutrients, hormones, waste products, and antibodies.
- 32. - Movement of blood from the heart to the lungs, and back to the heart.
- 33. - Movement of blood from the heart to the rest of the body, excluding the lungs.
- 34. - Movement of blood from the heart to the rest of the body, excluding the lungs.
- 39. Direction: Get 1/4 sheet of paper and answer the following questions. Choose the letter of the correct answer.
- 40. 1. Which chamber does oxygenated blood enter the heart first? a)Left ventricle b)Left atrium c)Right atrium d)Right ventricle
- 41. 2. Which blood vessel carries blood from the heart to the lungs to receive oxygen? a)Aorta b)Vena cava c)Pulmonary artery d)Pulmonary vein
- 42. 3. What happens to the diaphragm muscle when you breathe in, or inhale? a)Expands b)Contracts c)Relaxes d)Compress
- 43. 4. What happens to the diaphragm muscle when you breathe out, or exhale? a)Expands b)Contracts c)Relaxes d)Compress
- 44. 5. The ________ is the life support structure that nourishes your cell with nutrients from the food you eat and oxygen from the air you breathe. a)Circulatory System b)Respiratory System c)Cardiovascular System d)Systemic System
- 45. 6. It is the central organ of circulatory system. a.)Lungs b.)Heart c.)Blood vessel d.)Blood
- 46. 7. It carries oxygenated blood away from the heart to the cells, tissues and the organs of the body. a.)Veins b.)Blood c.)Capillaries d.)Arteries
- 47. 8. This type of circulations where the movement of blood is from the heart to the lungs, and back to the heart. a.)Coronary Circulation b.)Systematic Circulation c.)Pulmonary Circulation d.)Blood Circulation
- 48. 9. This type of circulation where the movement of blood through the tissues of the heart. a.)Coronary Circulation b.)Systematic Circulation c.)Pulmonary Circulation d.)Blood Circulation
- 49. 10. This type of circulation where the movement of blood from the heart to the rest of the body, excluding the lungs. a.)Coronary Circulation b.)Systematic Circulation c.)Pulmonary Circulation d.)Blood Circulation