Answer:
Circulatory
Explanation:
The heart helps pump the blood that travels to the rest of the body. The blood carries oxygen that is needed to travel around the body.
At one point, the value of the United States dollar was set according to the gold standard. One of these examples is the fixed exchange rate. The gold exchange standard guarantees the fixed exchange rate to the currency of another country that uses the gold standard.
The answer would be letter A.
The precipitation in India year round depends on the weather in different months
Answer:
d. neurotransmitter
Explanation:
In this definition, Anna was very close to successfully describing long-term potentiation. However, her definition is inaccurate because she mistook neurons for neurotransmitters. Long-term potentiation is the strengthening of synapses (or the enhancement of communication) between two neurons. These patterns of synaptic activity produce a long-lasting increase in signal transmission. This phenomenon occurs thanks to synaptic plasticity, which is the ability of chemical synapses to change their strength.
