2 + 9x = 20
2 - 2 + 9x = 20 - 2
9x = 18
9x/9 = 18/9
x = 2
Villi provides absorption of nutrients and it's important to have that in the small intestine. As the small intestine mostly collects of nutrients of digested food. They improve absorption by providing surface area and where nutrition can be collected
Answer:
The action potential has three main stages: depolarization, repolarization, and hyperpolarization. Depolarization is caused when positively charged sodium ions rush into a neuron with the opening of voltage-gated sodium channels.
Explanation:
The lymphatic system<span> has multiple interrelated </span>functions<span>: It is responsible for the removal of interstitial fluid from tissues. It absorbs and transports fatty acids and fats as chyle from the digestive </span>system<span>. It transports white blood cells to and from the </span>lymph<span> nodes into the bones.</span>
It is when the moon is above that put of the ocean or on the other side of the earth
