Look at the chemical equation above. What is the purpose of the numbers in the red boxes? A. These coefficients show how many atoms of product will be formed during the reaction. B. These coefficients show how many elements are used in each chemical formula. C. These coefficients show how many particles of each substance are used in the reaction. D. These coefficients show how many substances are used in the reaction

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.