It is poisonous on it's back and is a big species of frogs but not any bigger than a curled up dog.
Answer: 400 Micro-grams
Explanation:
The institute of the medicine, suggest all the women who are pregnant should consume atleast 400 micro-gram per day. In year 1998, this institute take the responsibility to recommend all the pregnant women about their diet plans.
They recommended to take 40 micro gram per day of the synthetic folic from the supplements and fortified food. The folic acid is the type of synthetic vitamin B. The women should consume the food from, the varied diets as it helps to prevent the brain of the baby and also from birth defects.
<span>The answer is a certain required chemicals must be actively
transported. Blood brain barrier is a
selective membrane that separates blood circulating from the brain and the
fluid of extracellular in the central nervous system. This is also called a
filtering mechanism, the capillaries that carry blood to the brain and spinal
cord tissue blocking the path way of the certain substance.</span>