11 of a
Chemicals needed for nerve transmission are produced in the
neuron.
a. adrenalin g. cartilage n. plasma
b. alcohol
h. cerebrum
o. nicotine
c. aorta
j. cerebellum
p. saliva
d. axon
k. ligament
g. trachea
e. bile
1. marijuana r. urine
f. bronchiole m. medulla
s. vein

Skulls of (1) modern gorilla, (2) australopithecus afarensis, (3) homo erectus, (4) homo neanderthalensis, (5) homo sapiens based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ? (2 points)

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Diagram of the evolution of land plants?