Muscle is excitable because it can be stimulated in order to cause contraction. Stimulation comes from the nervous system via electric signals/action potential that travels frâ¦om neuron through axon to muscle tissue.
Breed Profile--Written By Tiami Coleburg Breed: Labrador Retriever Owner Level: Suitable for some active and involved first time owners. Average Life Span: 12-14 years Average Weight: Male weights range 65-80 pounds. Female weights range 55-70 pounds. Average Weight Male height ranges from 22 1/2 to 24 1/2 inches high at the shoulder. Female height ranges from 21 1/2 to 23 1/2 inches at the shoulder. Color And Coat: True Labrador Retrievers only come in: black, shades of chocolate, and yellow.
Their Labrador hip score is hugely important for owners as, of course, Labradors are a breed of dog that are prone to hip problems such as hip dysplasia.This condition can lead to the dog suffering from severe arthritis and becoming lame. One way to assess the state of health o f a Lab's hips is through âhip scoringâ.rom statistics gained in 2005 for various dog breeds it was found that the average Labrador hip score was 12, which compared favourably with breeds such as the Newfoundland which recorded a score of 21 and the Bull Mastiff which registered at 23.