Hi the answer is carbon dioxide. Hope this helps.
I believe the answer should be mates...(2)
Answer:
1 an insufficiency, shortage, or absence of something required or desired.
2 something that is required but is absent or in short supply.
Answer:
The answer is C.
Explanation:
The sympathetic nervous system (SNS). it is predominant in dangerous situations.
It provokes the appropriate actions for rapid response such as: increased heart rate, dilated bronchi to promote the entry and exit of gases, increased sweating, decreased intestinal peristalsis to decrease the energy invested in digestion, vasoconstriction of the arteries, dilation of the pupils so that more light enters, etc.
For this reason axons quickly send a response to all these organs through the sympathetic nervous system.