Question 9 of 10 Which external stimulus are the ears of a coyote best able to detect?
A. The taste of a rabbit
B. The sound of a hawk
C. The motion of a mouse
D. The smell of a flower
SUBMIT

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.