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.
Once the puppies can see and hear (3-5 weeks), good breeders take the puppies to safe locations to meet new people and expose their puppies to new sights and sounds. Between the ages of 8 and 12 weeks is known as the critical period for socialization.f you are thinking about getting a puppy, read this first. Print it out, carry it in your pocket and when you go visit that litter of puppies, take a deep breath, step outside, and re-read it. If you still want that puppy, at least you have a sense of what your future holds!