Birds and mammals independently evolved four-chamber hearts
Answer:
It's growing
Explanation:
The growth rate is 50 rabbits per year
A response from the amigdala. The reason for this is that when the medulla starts signalling brain regions that are in upper parts, especially the amigdala, this then triggers the fear response (amigdala is responsible for this) which in turn alerts us on a conscious level that we should leave this room for example and go to somewhere where more oxygen is present.
Go to reddit, r/askteengirls or r/teenagers
You'll get better answers there
