Equipment: Microscopes and histological slides. Tissues are groups of cells with a common structure (form) and function (job). There are four main tissues in the body â epithelium, muscle, connective tissue and nervous tissue.quipment: Microscopes and histological slides. Tissues are groups of cells with a common structure (form) and function (job). There are four main tissues in the body â epithelium, muscle, connective tissue and nervous tissue.
An Orthopedic Doctor â An orthopedist deals primarily in bone and muscle disorders. Thus is the most frequently consulted type of doctor for neck and back pain. An orthopedist can help address ruptured discs, bulging discs, sciatica, degenerative disc disease, and similar conditions. A Neurologist â If your doctor suspects a problem with the nervous system, he or she may refer you to a neurologist.
What kind of doctor treats COPD? They are called Pulmonologist a specialist who deals with  conditions of the lungs and respiratory tract. While not  physicians, respiratory therapists are specially trainedâ¦ healthcare  professionals who work with patients to help treat airway and  breathing problems caused by asthma.