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.
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.hat is the average weight for a 3 year old labrador retriever? According to AKC standard, Male are 65 to 80 pounds, females are 55 to 70 pounds.UK type labradors are slightly smaller.