The right answer is Whales are able to conserve oxygen better than humans.
As the duration of the dive of some whale species can reach more than one hour, they use other means to breathe. In vertebrates, myoglobin, a protein, transports and stores oxygen in muscle tissue. It works like hemoglobin that carries oxygen in red blood cells. It is also myoglobin concentration very strong that makes their flesh bright red color, almost black. Thus, whales use the oxygen stored in the muscles to dive for long periods.
B because if it is semipermable it means that the salt would be stuck on one side while the water could move freely and get water to the cell
The sandwich has 367 calories.
Explanation:
- Carbohydrates and proteins provide 4 calories each per gram while fat provides 9 calories per gram. To calculate the total calories, multiply the respective grams with their calorie count.
⇒ 42 × 4 + 7 × 9 + 34 × 4 = 168 + 63 + 136 = 367 calories
Answer:
the answer is an organ system
Explanation:
Answer:
A
He has to gather information to present to have a good graph presentation
Then,he will be able to get good remarks
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