A/P M6L1 Activity 1
Storyboard Text
- Plasma accounts for 65% of blood, and is made up of ions, proteins, nutrients, waste, gases, and water. Less than 1% is made of white blood cells and platelets, or leukocytes and thrombocytes. Lastly, erythrocytes, or red blood cells account for the remaining 45% of blood.
- White blood cells are also disc shaped, but do not carry hemoglobin, and have organelles, such as the nucleus and DNA. There are 5 types of WBCs.
- Platelets, or thrombocytes, do not have a nucleus. They are fragments of cytoplasm from bone marrow. Platelets are disc shaped.
- Red blood cells are disc shaped, with a concave center. They do not have organelles. They are made of hemoglobin, which turns blood red.
- Thrombocytes are responsible for the clotting of blood in wounded areas. The blood will travel to the injury and platelets will thicken and release minerals to close the wound.
- The main function of erythrocytes is to transport blood to the body, and carry CO2 to the lungs as waste. This is made possible by their concave.
- White blood cells are mainly used to fight disease, as they contain positive bacteria that can help prevent and attack infections.
- Most cases can be treated simply by taking supplemental vitamins, like B5, or taking iron pills.
- Anemia is the lack or red blood cells in the body. It can cause dizziness, fatigue, and shortness of breath.
- Treatment plans depend on the severity of the case. Certain medications can be prescribed, but one of the most common solutions is regular blood transfusions.
- Sickle cell anemia is rather common amongst Americans. Sickle cell impairs the ability of white blood cells to fight infections, because the shape of the cells is altered.
- Thrombocythemia is a very common condition among the elderly. When your bone marrow produces platelets, they releases too quickly.
- This causes issues like too much clotting, which requires blood thinning medication.
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