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True or false older red blood cells may be destroyed in the spleen?
True. There are blood capillaries within the red pulp of the spleen. Older, more fragile red blood cells may rupture as they pass through these capillaries and the resulting cellular debris is removed.
Are A group of cells is called ORGAN true or false?
False. A group of cells is not called an organ. An organ is a collection of tissues that work together to perform specific functions in the body.
Reproductive cells are called zygotes true or false?
false reproductive cells (also called germ cells) are egg & sperm when these reproductive cells fuse together, the zygote is formed
Is blood an example of epithelial tissue?
No, blood is not an example of epithelial tissue. Epithelial tissue is composed of closely packed cells that line the surfaces and cavities of the body, while blood is a connective tissue composed of cells suspended in a liquid matrix called plasma.
True or false red blood cell are made in the plasma?
False. Red blood cells are made in the bone marrow, not in the plasma. Plasma is the liquid component of blood that carries cells, proteins, and other substances throughout the body.
Red blood cells are called macrophages?
False. White.
Macrophages are monocytes that have transformed and become phagocytic after exposure to some foreign substance at the site of an infection?
Macrophages are a type of white blood cell derived from monocytes. They play a key role in the immune response by engulfing and digesting pathogens, dead cells, and debris. Macrophages are important for initiating inflammation and promoting tissue repair.
True or false older red blood cells may be destroyed in the spleen?
True. There are blood capillaries within the red pulp of the spleen. Older, more fragile red blood cells may rupture as they pass through these capillaries and the resulting cellular debris is removed.
True or false blood vessels that carry blood to the heart are called arteries?
False. Blood vessels that carry blood away from the heart are called arteries. Blood vessels that carry blood to the heart are called veins.
True or False Iron is necessary for oxygen transport in red blood cells?
false
Is Oxygen transported primarily by blood plasma true or false?
False. Oxygen is primarily transported by red blood cells, specifically by hemoglobin molecules inside the red blood cells. Oxygen binds to hemoglobin in the lungs and is then transported to tissues throughout the body.
Are A group of cells is called ORGAN true or false?
False. A group of cells is not called an organ. An organ is a collection of tissues that work together to perform specific functions in the body.
Reproductive cells are called zygotes true or false?
false reproductive cells (also called germ cells) are egg & sperm when these reproductive cells fuse together, the zygote is formed
Are reproduction cells called zygotes?
false
True or False The kidney is composed of two blood filtering units called nephrons?
Tiny cells in the kidneys called nephrons filter the blood, they are composed of the glomerulus and the tubule. You have thousands of nephrons in each kidney.
True or false- The beta cells of the pancreatic islets secrete glucagon in response to low blood sugar levels?
False. Beta cells of the pancreatic islets secrete insulin in response to high blood sugar levels, not glucagon. Glucagon is secreted by alpha cells in the pancreatic islets in response to low blood sugar levels to raise blood sugar levels.
Vascular tissue is composed of rbcs wbcs and platelets that are suspended in a fluid intercellular matrix called plasman T or F?
False. Blood contains red blood cells, white blood cells, platelets, and plasma, a fluid intercellular matrix; not vascular tissue.
