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.
Answer by Katie (92). In general, puppies should be separated from their mother when they are no less than 8 months old (8 to 12 months is considered the optimal time).uppies should be at least 6 weeks old and eating solid food. Puppies that are kept with their litter untill 8 weeks will have less separation issues with their new family. Most puppies will actually be older 10-12 weeks and have the best transition.