Which of the following explains why geological events occur? a The lower mantle is solid rock
b The crust is the same thickness throughout
c The crust is a single layer throughout
d The lower mantle is hotter

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

How does the nervous system affect the excretory system?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous