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Author Question: Clinically, the term blood pressure usually refers to A) arteriovenous pressure. B) capillary ... (Read 118 times) |
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.