Carbon dioxide, and Sulfur dioxide, because you have to know what gas are very dangerous and which ones arent........
Answer:
The autonomic nervous system
Explanation:
The autonomic nervous system is control mechanism that operates mainly unconciously and governs body functions like heart rate, digestion, pupil response, urination, sexual excitement, and respiratory rate.
Autonomic functions require respiratory control, cardiovascular control, vasomotor activity and some reflex behaviors like coughing, swallowing, vomiting and sneezing
Macrominerals are needed in large amounts.
Trace minerals are needed in very small amounts.
Macrominerals are calcium, phosphorus, magnesium, sodium, potassium, chloride, and sulfur.
Trace minerals are iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
