Which is a way that a human responds to change?
A, inhaling oxygen
B. exhaling carbon dioxide
C. eating a hamburger
D. wearing warm clothing in the winter time

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird