Answer:
Option 2, Arousal
Explanation:
Reticular activating system (RAS) or the ascending arousal system consists of nuclei and tracts and is involved in the regulation of wakefulness, sleep aspects and arousal.
RAS is located in the mesopons and interacts with the basal forebrainand thalamocortical systems. It activates the cerebral cortex and thereby maintain the consiusness. The neurons located at the pontomesencephalic junctionparticipates in this activity of arousal.
Hence, option 2 is correct
Answer:
a
Explanation:
Connective tissue often consists of relatively few cells embedded in an extracellular matrix.
Answer:
D.
Explanation:
all of these statements are true
Answer:
C: The United States uses more land for parks and forests than for urban areas.
Explanation:
I got it right