JAMB Exam > JAMB Videos > Biology for JAMB > Blood, Plasma & Formed Elements
Blood, Plasma & Formed Elements Video Lecture | Biology for JAMB
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FAQs on Blood, Plasma & Formed Elements Video Lecture - Biology for JAMB
| 1. What are the different components of blood? |  |
Ans. Blood is made up of three main components: plasma, formed elements, and platelets. Plasma is the liquid portion of blood that carries nutrients, hormones, and waste products. Formed elements include red blood cells, white blood cells, and platelets.
| 2. What is the function of plasma in the blood? | |
Ans. Plasma plays a crucial role in blood function. It carries nutrients, such as glucose and amino acids, to the body's tissues. It also transports hormones, waste products, and other essential substances. Additionally, plasma helps regulate body temperature and maintains blood volume and pressure.
| 3. What are the formed elements in blood and their functions? | |
Ans. The formed elements in blood are red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
- Red blood cells carry oxygen to the body's tissues and remove carbon dioxide.
- White blood cells help fight off infections and diseases by attacking pathogens.
- Platelets play a crucial role in blood clotting, preventing excessive bleeding.
| 4. How is blood plasma separated from formed elements? | |
Ans. Blood plasma is separated from formed elements through a process called centrifugation. By spinning a blood sample at high speeds in a centrifuge, the heavier formed elements, such as red blood cells and platelets, settle at the bottom, while the lighter plasma remains on top. This separation allows for collection and analysis of specific blood components.
| 5. What is the importance of blood donation in maintaining the availability of blood components? | |
Ans. Blood donation is crucial in maintaining the availability of blood components for medical treatments and emergencies. By donating blood, individuals contribute to the supply of red blood cells, platelets, and plasma. These donated components can be used to save lives, treat various medical conditions, and support patients undergoing surgeries or cancer treatments. Regular blood donations help ensure a sufficient and safe blood supply for those in need.
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Nov 24, 2024 Last updated |
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