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.
The Labrador Retriever is the most popular dog breed in the world. They were originally bred as hunting dogs and their job was to retrieve fowl that had fallen to the ground, â¦ hence the word retriever in their name. Labrador Retrievers come in three coat colors: black, yellow and chocolate. The yellow labs are sometimes called golden labs, but this is a misnomer. Golden Labs are a cross between a Golden Retriever and a Labrador Retriever. The links below are to websites with in depth information about Labrador Retrievers. What is the average weight of a Labrador Retriever? for females: 55 - 70 lbs for males: 60 - 75 lbs but it differs with each dog.