unit 5 organs and systems, cardiovascular system pg.21
- Created by: ifechi68
- Created on: 09-12-19 14:00
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- The cardiovascular system
- The 4 components that make the human body
- cardiac cycle- a complete heartbeat from the generation of the beat to the beginning of the next beat
- Erythrocytes- red blood cells, containing haemoglobin, that transport oxygen around the body
- leukocytes- white blood cells
- Thrombocytes(platelets)- component of the blood involved in blood clotting
- What is the blood responsible for
- Blood is responsible for transporting
- oxygen from the lungs to body cells for aerobic respiration
- carbon dioxide from respiring back to the lungs to be exhaled
- nutrients from the intestines to body cells
- urea(waste product) from the liver to the kidney to be removed
- hormones from the endocrine glands to their target cells
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- Blood is responsible for regulationg
- body temperature
- pH of body tissue
- volume of fluid in circulation
- Blood also protects
- platelets that cause clotting, to prevent bleeding and entry of pathogens
- Leukocytes that defend us against infection
- Blood is responsible for transporting
- The 4 components that make the human body
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