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.
How soon after having puppies can a dog go into heat? A dog will go into heat approximately 4 to 6 months after having  puppies, based approximately 6 months after her last heat cycle.  When she goes into heat again will dependâ¦ on how often she goes  into heat per year. Most dogs go into heat twice per year, or every  6 months. 2 people found this useful. Susie Dresh.