The membranes of neurons at rest are very permeable to _____ but only slightly permeable to _____. K+; Na+. Yes, more K+ moves out of the cell than Na+ moves into the cell, helping to establish a negative resting membrane potential.
The Falabella miniature horse is one of the smallest breeds of horse in the world, seldom taller than 8 hands (32 inches, 81 cm) in height at the withers.The Falabella, despite its size, is not considered a pony, but rather is a miniature horse.lack or red leopard-spotted Falabellas (resembling, but not the same as the Appaloosa horse breed) also exist, but are not common. Falabella foals are very small, standing around 30 to 56 cm (12 to 22 in) tall at birth, and maturing to their adult height by the age of three.
The Chihuahua is the smallest of all breeds and has the distinction of being the oldest breed in America. They were named after the Chihuahua region in Mexico.It is believed that this breed descended from ancient breed that was larger in size and highly prized by Aztec royalty. The Chihuahua of today has a very fine bone structure, but are actually quite muscular.he Chihuahua can be difficult to train, but with patience, love, and consistency do well. They respond best to positive reinforcement. Chihuahuas can be housetrained by either the crate method or the paper training method. Early, extensive, and intensive socialization is an absolute must for this breed.