The Stretch Reflex : (See Figure 13.15). The stretch reflex in its simplest form involves only 2 neurons, and is therefore sometimes called a 2-neuron reflex. The two neurons are a sensory and a motor neuron. The sensory neuron is stimulated by stretch (extension) of a muscle.Stretch of a muscle normally happens when its antagonist contracts, or artificially when its tendon is stretched, as in the knee jerk reflex.he Stretch Reflex : (See Figure 13.15). The stretch reflex in its simplest form involves only 2 neurons, and is therefore sometimes called a 2-neuron reflex. The two neurons are a sensory and a motor neuron. The sensory neuron is stimulated by stretch (extension) of a muscle.
One of the decisions that a business owner has to make is what type of organizational structure their business is going to use. There are four main types of business structures in the U.S: sole proprietorship, partnership, limited liability and corporation. Each structure has different tax, income and liability implications for businesses owners and their companies.
Types of business entities. 1. Sole proprietorship. This is the simplest form of business entity, and it is used by more than 70 percent of businesses in the United States, according to the Small Business Administration. With sole proprietorship, one person is responsible for all of a company's profits and debts.