Ryan accidentally drops a very heavy object on his foot. in a matter of just a few seconds, he feels a tremendous amount of pain. he experienced the pain quickly because neurons rapidly carried the impulse to the brain. which structure of the neuron is responsible for the quick transmission of a nerve impulse?

If ur on plato, this is the diagram you will see. The answer should be the 3rd one in.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.