1. A-closing B- opening 2. In the pic
3. A- a constricted trachea B- blocked sinuses C- and inactive diaphragm

Ais a fluid-filled space between two neurons through which neurotransmitters travel. it is in this area where messages are transmitted chemically. a. terminal button b. synapse c. neuronal membrane d. synaptic vesicleits b, i just guessed it and it turned out to be right.

What behavior of an expectant mother is unhealthy for the fetus

Which of the following is also referred to as "swayback"? a. kyphosis b. scoliosis c. lordosis d. none of the above