Answer the following questions true (T) or false (F)
1. Electrical synapses are faster than chemical synapses due to the presence of gap junctions between cells.
2. Calcium ion entry into the axon terminal is necessary for the release of neurotransmitter into the synaptic cleft in a chemical synapse.
3. Neurotransmitters can be either excitatory or inhibitory depending upon the receptor present on the postsynaptic neuron.
1. TRUE
2. TRUE
3. TRUE
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Cleavage occurs during
A. the fetal period. B. the pre-embryonic period. C. organogenesis. D. the embryonic period. E. fertilization.
A person has a problem with blood flow from the pulmonary veins. Which heart structure will be affected first by this blood-flow problem?
A. Left atrium B. Right atrium C. Left ventricle D. Right ventricle
What are the cells called within the glomeruli of the olfactory bulbs?
a. bulbous cells b. glomular cells c. globular cells d. mitral cells e. primary cells
What area in the figure is the sum of the tidal volume and the inspiratory reserve volume and expiratory reserve volume?
a) H b) B c) G d) E e) F