Answer:
central nervous system
Explanation:
The central nervous system is made up of the brain and spinal cord which carry out the function of processing information about the environment using the five senses and sends out your bodies response. such as if your finger touched the hot stove, that signal gets sent to your brain which sends a signal to your spinal cord telling your arm to pull away from the hot surface
2 respiratory system is mainly used for respiration which is allowing o2 in and pushing co2 out
The answer would be D. Exocytosis
A physical change always forms when a chemical reaction occurs - Physical changes are often changes that effect the form of any chemical substance except its chemical composition.
