Answer:
A life straw, or a plastic container filled with material to filter water.
Explanation:
Resistance because how long u last running depends on ur breathing issue
Digestive system is the system of organs which digest food. Human digestive system is consisted of the gastrointestinal tract and the accessory organs of digestion. Accessory organs of digestion are: the tongue, salivary, glands, pancreas, liver and gallbladder. The digestion in this system has many stages, and the first one starts in mouth, and it is called oral cavity. D<span>igestion means breakdown of food into smaller and smaller and smaller components which can be absorbed and assimilated into the body...</span>
Answer:
The calories in food come from carbohydrates, proteins, and fats. A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories — more than twice the amount of the other two.
Explanation: