6. Increasing light
This type of response is a main function of the -
A.
excretory system.
B.
circulatory system.
C.
endocrine system.
D
nervous system.

Choose the correct statement about licensed veterinarians in the united states. a. they must be certified by the avma. b. they can treat all nonhuman animals. c. they can can treat only animals specified on the license. d. they must choose a specialty.