The medulla oblongata is part of the nervous system in the lower  half of the brainstem in which connects the brain and spinal cord.  It is subconscious and it controls the â¦ involuntary action such as  breathing, blood pressure and even heartbeat. Answered.he lower portion of the brainstem (brainstem includes the middle brain, pons, and medulla oblongata), which controls visceral functions of the body, such as heart rate, breathing/respiration, and blood pressure.
Once the breeding is done, there s nothing to do but wait. Pregnancy lasts 61-64 days; puppies can be detected by x-ray or ultrasound about halfway through. There are some telltale signs increased appetite, weight gain, nipple enlargement but they could apply to a false pregnancy as well as the real thing.
Report Abuse. Puppies can be taken from their mother at 6 weeks, it is not recommended, I would wait until 8 weeks, possibly even 12. Use your discretion, if you see the puppy eating and drinking on his own, then it is usually OK for them to go. six week old or even a five week old puppy can of course be spearated from its Mom because it can eat solid food and people bond with these very young puppies much better, just the way adoptive parents tend to want babies rather than older kids---but leaving the Mom at five or six weeks IS NOT GOOD FOR THE PUP!