Which of these characteristics best describes cardiac muscle tissue?

The narrow space that separates the motor neuron and the skeletal muscle fiber in a neuromuscular junction is called the: 

Which of the following is TRUE regarding the following situation:  Solution A has a pH of 7.38 and Solution B has a pH of 7.42 (normal blood pH is 7.35-7.45)

Broca area

The term used for the sum of all chemical reactions that occur within the body is called

Muscles that assist an agonist in performing a movement are known as synergists

Which of the following is not an example of homeostasis?

Potassium is the chief positive intracellular ion in a resting neuron.   

Which system is responsible for providing protection, regulating body temperature, and being the site of cutaneous receptors? 

The molecule that carries an amino acid to the ribosome for incorporation into a protein is