Which of these pairing is incorrect?

blood cells, components of blood

neurons, conduct electrical impulses

epithelial cells, react to stimuli

muscle cells, elongated cells that can contract

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?

What organelle makes protein for use outside the cell?