Circulatory system2
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The circulatory system carries blood and substances throughout the body using the heart and blood vessels. The heart pumps blood through arteries and veins, then into capillaries where nutrients and waste are exchanged. The circulatory system is a double circulatory system, with oxygenated blood flowing through the lungs and deoxygenated blood returning to the heart to be re-oxygenated before circulating again.
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Circulatory system
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Circulatory system
The circulatory system carries blood and substances throughout the body using the heart and blood vessels. The heart pumps blood into two circuits - the pulmonary circuit which pumps to the lungs, and the systemic circuit which pumps to the rest of the body. Blood travels from the heart through arteries, then into capillaries to exchange materials, and returns to the heart through veins. The circulatory system allows for the transport of oxygen, nutrients, wastes and more throughout the body.
Circulatory system
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Circulatory system slideshare
The circulatory system consists of the heart, blood vessels, and blood. The heart pumps blood through the network of arteries, veins, and capillaries that make up the blood vessels. Blood carries oxygen, nutrients, hormones, and waste products as it circulates through the double circulatory system. In the lungs, blood picks up oxygen and releases carbon dioxide, and the heart pumps oxygenated blood throughout the body via arteries while bringing deoxygenated blood back to the lungs through veins.
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The circulatory system carries blood and substances throughout the body using the heart and blood vessels. The heart pumps blood through arteries and veins, which are tubes that make up the cardiovascular system. Blood is circulated to all parts of the body to deliver oxygen and nutrients and remove waste through a double circulatory system where the left side handles oxygenated blood and the right side handles deoxygenated blood.
Circulatory system
The circulatory system carries blood and substances through the body using the heart and blood vessels. The heart pumps blood through tubes called blood vessels which together with the heart form the circulatory system. Blood is carried to and from all parts of the body to supply nutrients and oxygen and remove waste through this circulatory network.
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Circulatory system by s morris
The circulatory system carries blood and substances through the body using the heart and blood vessels. The heart pumps blood through arteries which have thick muscular walls. Arteries take blood away from the heart to the body. Veins carry blood back towards the heart and have valves to prevent backflow. Capillaries link arteries and veins and have a thin one cell wall to exchange materials. Blood is made up of plasma, red blood cells which carry oxygen, white blood cells which protect the body, and platelets which help blood to clot.
Cardiovascular system- Fernando / Nov 2009
- Cardiovascular system -
What is in blood?
Plasma, blood cells and functions.
Blood vessels: Arteries, veins and capillaries.
Double circulation.
Heart anatomy and heart cycle (diastole and systole)
Support ppt circulation
The heart is divided into four chambers to keep oxygenated and deoxygenated blood separate. The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs, while the left side receives oxygenated blood from the lungs and pumps it out to the body. Valves between the chambers prevent backflow of blood.
Cardiovascular system
The circulatory system is made up of the heart, blood vessels, and blood. The heart pumps blood through three circuits - coronary, pulmonary, and systemic circulation. It has four chambers: right and left atria receive blood, and right and left ventricles pump blood to the lungs and body. Blood contains plasma and formed elements like red blood cells, white blood cells, and platelets. Arteries carry oxygenated blood away from the heart while veins return deoxygenated blood to the heart. Capillaries allow for exchange of oxygen, nutrients and waste between blood and body tissues.
Circulatory system
Arteries take blood away from the heart. The walls of an artery are made up of thick muscular walls and elastic fibres. Veins carry blood towards the heart and also have valves. The capillaries link arteries and veins, and have a one cell thick wall. Blood is made up of four main things plasma, the liquid part of the blood; Red Blood Cells to carry oxygen; White Blood cells to protect the body from disease and platelets to help blood clot.
Circulatory system
Arteries take blood away from the heart. The walls of an artery are made up of thick muscular walls and elastic fibres. Veins carry blood towards the heart and also have valves. Capillaries link arteries and veins, and have a one cell thick wall. Blood is made up of plasma, the liquid part of the blood; Red Blood Cells to carry oxygen; White Blood cells to protect the body from disease and platelets to help blood clot.
Assignment on Circulation of blood
IT WILL BE HELPFUL FOR IRREGULAR STUDENTS LIKE ME. YOU MAY COPY AND PASTE IT.
The circulatory system is an organ system that permits blood and lymph circulation to transport nutrients, oxygen, carbon dioxide, hormones, blood cells, etc. to and from cells in the body to nourish it and help to fight diseases, stabilize body temperature and pH, and to maintain homeostasis.
This system may be seen strictly as a blood distribution network, but some consider the circulatory system as composed of the cardiovascular system, which distributes blood, and the lymphatic system, which returns excess filtered blood plasma from the interstitial fluid (between cells) as lymph. While humans, as well as other vertebrates, have a closed cardiovascular system (meaning that the blood never leaves the network of arteries, veins and capillaries), some invertebrate groups have an open cardiovascular system. The more primitive, diploblastic animal phyla lack circulatory systems. The lymphatic system, on the other hand, is an open system providing an accessory route for excess interstitial fluid to get returned to the blood.
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Circulatory system2
- 2. The circulatory system carries blood and dissolved substances to and from different places in the body. The Heart has the job of pumping these things around the body. The Heart pumps blood and substances around the body in tubes called blood vessels. The Heart and blood vessels together make up the Circulatory System. What is the circulatory system?
- 3. lungs head & arms liver digestive system kidneys legs pulmonary artery aorta pulmonary vein main vein LeftRight How does this system work? Circulatory System
- 4. Lungs Body cells Our circulatory system is a double circulatory system. This means it has two parts parts. the right side of the system deals with deoxygenated blood. the left side of the system deals with oxygenated blood.
- 5. The Heart These are arteries. They carry blood away from the heart. This is a vein. It brings blood from the body, except the lungs. Coronary arteries, the hearts own blood supply The heart has four chambers 2 atria 2 ventricles now lets look inside the heart
- 6. The Heart Left Ventricle Left Atrium Right Atrium Right Ventricle valve Vein from Lungs Artery to Head and BodyArtery to Lungs Vein from Head and Body valve
- 7. How does the Heart work? blood from the body blood from the lungs The heart beat begins when the heart muscles relax and blood flows into the atria. STEP ONE
- 8. The atria then contract and the valves open to allow blood into the ventricles. How does the Heart work? STEP TWO
- 9. How does the Heart work? The valves close to stop blood flowing backwards. The ventricles contract forcing the blood to leave the heart. At the same time, the atria are relaxing and once again filling with blood. The cycle then repeats itself. STEP THREE
- 10. blood from the heart gets around the body through blood vessels There are 3 types of blood vessels a. ARTERY b. VEIN c. CAPILLARY
- 11. The ARTERY thick muscle and elastic fibres Arteries carry blood away from the heart. the elastic fibres allow the artery to stretch under pressure the thick muscle can contract to push the blood along.
- 12. The VEIN Veins carry blood towards from the heart. thin muscle and elastic fibres veins have valves which act to stop the blood from going in the wrong direction. body muscles surround the veins so that when they contract to move the body, they also squeeze the veins and push the blood along the vessel.
- 13. The CAPILLARY Capillaries link Arteries with Veins the wall of a capillary is only one cell thick they exchange materials between the blood and other body cells. The exchange of materials between the blood and the body can only occur through capillaries.
- 14. artery vein capillaries body cell The CAPILLARY A collection of capillaries is known as a capillary bedcapillary bed.
- 15. what’s in red blood cells white blood cells platelets plasma carbon dioxide digested food waste (urea) hormones oxygen
- 16. The Blood plasma red blood cell white blood cell platelets
- 17. Red Blood Cells contain haemoglobin, a molecule specially designed to hold oxygen and carry it to cells that need it. can change shape to an amazing extent, without breaking, as it squeezes single file through the capillaries. a biconcave disc that is round and flat without a nucleus
- 18. White Blood Cells there are many different types and all contain a big nucleus. the two main ones are the lymphocytes and the macrophages. some lymphocytes fight disease by making antibodies to destroy invaders by dissolving them. other lymphocytes make antitoxins to break down poisons. macrophages ‘eat’ and digest micro- organisms .
- 19. Platelets Platelets are bits of cell broken off larger cells. Platelets produce tiny fibrinogen fibres to form a net. This net traps other blood cells to form a blood clot.
- 20. Plasma A straw- coloured liquid that carries the cells and the platelets which help blood clot. • carbon dioxide • glucose • amino acids • proteins • minerals • vitamins • hormones • waste materials like urea. It also contains useful things like;