cardiovascular revision
- Created by: JuliaJablonska
- Created on: 31-10-21 15:31
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- cardiovascular system
- blood
- What are the major components of the blood?Red blood cells (erythrocytes), white blood cells (leucocytes), platelets, plasma
- What types of molecules are transported in the plasma?Dissolved subtances such as glucose, proteins, amino acids, salts and poisons such as carbon dioxide and urea.
- What are the cell types found in the blood?Erythroxytes (red bloodc ells) Leucocytes (white blood cells)
- What is the primary function of erythrocytes?Carry oxygen in the blood to cells and tissues
- What is the function of haemoglobin?Binds to oxygen, forming oxyhaemoglobin
- What are the 2 major types of leucocytes?Lymphocytes (B-type and T-type), phagocytes (neutrophils and monocytes)
- heart
- What does the acronym LORD mean?Left oxygenated, right deoxygenated. This refers to the heart.
- Why is the circulatory system referred to as a double system?The systemic cricuit pumps blood around the body, the pulmonary circuit pumps blood to and from the lungs.
- What is the function of valves?They prevent backflow of blood, forcing the blood to move in one direction only.
- What is the name of the arteries that supply the heart? Coronary arteries
- tissue fluid and lymph
- How is the water in plasma forced out of capillaries at the tissues?Hydrostatic pressure
- How is the water in tissue fluid returned to capillaries?Osmosis
- What is lymph formed from?Excess fluid from tissue fluid
- cardiovascular malfunctions
- How is hypertension monitored?Sphygmomanometer
- What type of diet leads to hypertension?High fat, too much food intake leading to obesity, high salt diet
- What are 3 other causes of hypertension?Stress, excessive alcohol, smoking
- What other problems can hypertension lead to?Coronary heart disease
- blood
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