<span>In order to move molecules in your kidneys or in your blood your body needs energy
ANSWER: ENERGY</span>
Answer:
The muscular system helps push air in and out of the respiratory system. The respiratory system has the lungs to deliver air to the muscles
Explanation:
Answer;
The llama and the alpaca were used as beasts of burden in the Andes.
Explanation;
-A beast of burden is drought animal that carries or pulls heavy loads, such as a donkey, mule, llama, camel etc.
-The Andean animal used as a beast of burden is an Alpaca and the Llamas. They are docile, fluffy animals that can withstand the cold of the mountains. As such, they make excellent work animals.
-Male llamas have been been used as beasts of burden in the Peruvian and Bolivian Andes ranges for more than 4000 years.
The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out