Answer:
Sympathetic Nervous System
Explanation:
The main function of the sympathetic nervous system is to stimulate the fight or flight response.
Answer:
a and d is in woody and herbaceous stems
Explanation:
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Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
There are actually two planets referred to as gas giants which are Jupiter and Saturn. These two planets are made of mostly helium and hydrogen which makes them gas giants, while Uranus and Neptune have more ice and rock substances, so they are not considered gas giants.
