Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
Answer:
Examine the leaves of a palm tree. Which statement most specifically describes a palm tree?
Palm trees are monocots.
Palm trees are angiosperms.
Palm trees are flowering plants.
Explanation:
Those three features best describes a palm tree, they are angiosperms because they produces seeds and flowers
The physiology, behavior, and other qualities of a particular organism or class of organisms.
Answer:
Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin.
Carbon dioxide
The liver regulates most chemical levels in the blood and excretes a product called bile. This helps carry away waste products from the liver. All the blood leaving the stomach and intestines passes through the liver. The liver processes this blood and breaks down, balances, and creates the nutrients and also metabolizes drugs into forms that are easier to use for the rest of the body or that are nontoxic.
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