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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.
Calcitonin causes an increase in blood calcium levels true or false?
False. Calcitonin actually works to decrease blood calcium levels by inhibiting the breakdown of bone, which helps to lower calcium levels in the blood.
Prostaglandins can only constrict blood vessels. True or False?
False. Prostaglandins can have both constricting and dilating effects on blood vessels, depending on the specific type of prostaglandin and the context in which it is acting.
Red blood cells are called macrophages true or false?
FALSE macrophages are white blood cells that are a part of the immune response system.
True or false right heart failure causes a back up of blood into pulmonary circulation?
false RHF causes backup into the systemic circulation
True or false places where rivers pour fresh water into the ocean have low salinity?
Salinity is a measure of how salty water is. Ocean water is more salty in some places than in others. The answer is yes, places where rivers pour fresh water into the ocean have low salinity because fresh water is normally cold and in warm areas, ocean water evaporates quicker. When this happens, salt is left behind and the ocean water has a higher salinity.
A coast is land alongside a mountain true or false?
false
True or false geologic activity has no effect on the ocean?
false
Is the p ocean and a ocean the same true or false?
true dis :) xx :p
True or False .Is the ocean and the earth a solid sphere?
False - The ocean and the core of the Earth are liquids.
Waves start in the open ocean true or false?
The answer is true.
True or false little precipitation actually falls directly into the ocean?
false, lots of precipiation in the ocean
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 Julia Roberts has never been in a sequel?
False--Ocean's Twelve was the sequel to Ocean's Eleven.
Is a mid ocean ridge a long narrow depression located in a deep ocean basin true or false?
false
true or false could anticholinergics prevent blood clotting?
False
Columbus sailed the ocean blue in 1652 is true or false?
true
