A traditional part of the definition of hormones described them as being secreted into blood and affecting cells at distant sites. 1  However, many of the hormones known to act in that manner have been shown to also affect neighboring cells or even have effects on the same cells that secreted the hormone. Nonetheless, it is useful to be able to describe how the signal is distributed for a particular hormonal pathway, and three actions are defined:
Monster the Chug puppy (Chihuahua / Pug mix breed) as a puppy at 13 weeks old, weighing 3Â½ pounds. Monster the Chug puppy (Chihuahua / Pug mix breed) as a puppy at 13 weeks old, weighing 3Â½ pounds inside a hand bag. 1  Chug Information.  List of Chihuahua Hybrid Dogs.
Pug, breed of toy dog that probably originated in China and was introduced to England near the end of the 17th century by Dutch traders. The pug has a short muzzle and a tightly curled tail. It is a squarely built, muscular dog, with a large head, prominent, dark eyes, and small, drooping ears. At maturity it stands 10 to 11 inches (25.5 to 28 cm) and weighs about 14 to 18 pounds (6 to 8 kg).