Starvation. When the body enters starvation mode or fasting for long periods of time, the body will start to tap on the stored fatty acids to produce ketone bodies. These ketone bodies will build up in the bloodstream, and will also be available if the brain has used up the stored glucose.
The correct answer is: [D]: "receives venous blood from the lower extremity" .
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Answer:
2. Hip bones
Explanation:
More than 40 million years ago, whales had ancestors who walked on land. Even now, they have a feature they inherited from them - hip bones. Scientists used to think that they are vestigial, i.e. that they lost their function. However, recently they discovered that these bones help whales (and other marine mammals who have them, such as dolphins) maneuver better mating.
Whales developed the rest of the listed features later, when they became marine animals. This is why they are incorrect.
Answer:
Excessive amounts of nutrients can lead to more serious problems such as low levels of oxygen dissolved in the water. Severe algal growth blocks light that is needed for plants, such as seagrasses, to grow. When the algae and seagrass die, they decay
Explanation:
