Explain how the four major tissue types work together in the human arm.

The epithelial tissue- covers the body surface and forms the lining for most internal cavities.
Connective tissue- provide a variety of functions including support and protection.
Muscle tissue: 
skeletal-voluntary type of muscle tissue that is used in the contraction of skeletal parts. 
smooth- found in the wall of internal organs and blood vessels.
cardiac- found only in the walls of the heart and is involuntary in nature. 

Each gram of carbohydrates and proteins yield 4 calories / gram . the more the calories a food has the more energy it provide to you body.

It starts with commitment. the health and safety policy is the commitment by the employer to provide and maintain a safe workplace. the commitment of the workforce is also a necessary component.when the workplace parties sit down to develop an ergonomic approach to patient handling, they will develop terms of reference that set forth how the health and safety committee will function in approaching this problem and reach its goal of reduced injuries.in general, a safe patient handling program will involve the following steps: management approval and commitment to develop and implement a patient handling program.perform a needs analysis.create and standardize patient assessment criteria.develop decision trees to standardize actions.determine which controls are needed to implement specific tasks or patient needs.institute a "no-lift" policy, where possible.