I think its because when your upside down, your not breathing right. So its a way of trying to breathe correctly.
To produce hormones and also to produce electrical impulses
Algea
Explanation:
Algea is a pioneer that will be find where glacier has retreated
Having the occasional alcoholic drink is unlikely to affect your fertility. But heavy drinking and smoking can reduce sperm quality, lower testosterone production, and make it harder to achieve an erection. It can also lead to liver damage, which affects both your general and reproductive health
Medulla oblongata is the part of the brainstem that controls the autonomic functions such as sneezing, coughing, digestion and etc.