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.
Spay ing and neutering puppies is the responsible thing to do, and it's important to know when to neuter a puppy. When love is in the air, the dogs know it. Girl pups mature more quickly than you might think.They can become pregnant as early as five or six months of age, and most dogs can produce two litters a year.or many years, the recommended spay/neuter age was six to nine months. When a puppyâs future involves performance competition, ask your veterinarian and breeder about timing. Delaying for a couple of months may allow the pup to attain better physical development important to these demands.