Answer:
The sympathetic nervous system is what controls blood pressure and heart rate. It also stimulates and controls your "fight or flight" response.
A. Personal safety, pollution, and extreme temperatures
The bodies second line of defense is its immune system (remember, the first line of defense is the skin) The immune system includes white blood cells, etc etc...... It takes affect when a virus or germ enters the body.. basically any 'foreign cell'..... and the immune system would respond and kill it
Ecstasy from personal experience.
Nucleic Acids: Compounds that make up the DNA strand.
and
Proteins: The business end of a DNA cell.
