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.
The recommended age for separating puppies from their litter is 6 to 8 weeks, according to Dr. David W. Reinhard, a consulting veterinarian for Nationwide pet insurance. By this time, puppies should have been socialized to their human counterparts, a process that takes place between 3 and 12 weeks of age, Reinhard says.hen the puppy is first separated from his mom, he will need a lot of attention and contact from you. Let your puppy sleep in a crate next to your bed until he adjusts to his new surroundings.