Comparative anatomists study the body structures of living organisms and extinct organisms to find evolutionary links. explain how scientists use the arrangement of fossils in rock strata, comparative anatomy, and the geological time scale to create a phylogeny chart, like the one in the elephant example above.

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

The first means of speeding up reactions mentioned by the speaker is raising the enzymes 

Engorgementthe patient is only 72 hours post-delivery and is complaining of bilateral breast tenderness. milk typically comes in at 72 hours after delivery, and with the production of the milk comes engorgement. the other problems do not typically develop until there is fully established breastfeeding.