The neuron cell is part of which body system?

Cindy, an overweight high school student, is overheard telling her friend that she's going to research how she can transform some of her white fat to brown fat. What is her rationale here (assuming it is possible)?

State whether each of the following describes epithelial, connective, muscle, or nervous tissue.

a. ____ECM is often the primary element. 

b. ____Consists of excitable cells that are specialized for contraction. 

c. ____Sheets of tightly packed cells with little ECM. 

d. ____Makes up the majority of the brain and spinal cord. 

e. ____Cells may be smooth or striated. 

f. ____Binds, connects, supports, and transports substances throughout the body.