NAME _ DATE _ PER _
Heart Dissection Lab (40 pts)
The heart dissection is probably one of the most difficult dissections you will do. Part of the reason it is so difficult to learn
is that the heart is not perfectly symmetrical, but it is so close that it
Echinoderms are radially symmetrical marine animals. Echinoderms mean "spiny skin" in Greek.
Many, but not all, echinoderms have spiny skin. There are over 6,000 species. Echinoderms
usually have five appendages (arms or r
1. Once action potential is generated from axon hillock, it travels down to the
synaptic bulb of neuron. Then Ca+ voltage gated channel is open which let
Ca+ ions rush into the cell. When the Ca+ ions rush in, a chemical called a
neurotransmitter is relea
Urinary System Quiz 2 (3/6/2015)
21) The urinary bladder is lined by
a) pseudostratified epithelium.
b) transitional epithelium.
c) stratified squamous epithelium.
d) simple cuboidal epithelium.
e) ciliated columnar epithelium.
22) Urine is expe