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What parts of the onion cells are not found in the blood cells?
An onion cell has a cell wall and a large central vacuole, both of which are not present in mammalian blood cells. Additionally, onion cells have chloroplasts for photosynthesis, while blood cells do not contain chloroplasts.
What blood cells does the body contain the most of?
The body contains the most red blood cells. These cells carry oxygen to tissues and remove carbon dioxide. White blood cells, responsible for fighting infections, and platelets, essential for blood clotting, are also present in smaller quantities.
What is the most primitive blood cell called?
The most primitive blood cell is called a hematopoietic stem cell. These cells have the ability to develop into various types of blood cells, including red blood cells, white blood cells, and platelets.
What 2 things do red cells lack compared to white cells?
Red blood cells lack a nucleus and organelles, such as mitochondria, which are present in white blood cells. This allows red blood cells to have more space to carry oxygen and carbon dioxide through the bloodstream efficiently.
What blood study determines the amount of pigment present in Red Blood Cells?
A blood study called a complete blood count (CBC) can determine the amount of pigment present in red blood cells. This test measures parameters like hemoglobin and hematocrit levels, which reflect the amount of pigment (hemoglobin) in the red blood cells. Abnormal levels can indicate conditions like anemia or polycythemia.
