In this 4-pack, you'll have one Anatomy Lab skeletal system anatomical poster which shows the skeletal system across the body. This poster focuses on both the anterior view and posterior view of the body including illustrations of the skull, vertebral column, auditory ossicles, knee joint, hand ligaments, foot ligaments, and the cervical, thoracic, and lumbar vertebra. Another included title is the Anatomy Lab muscular system anatomical poster which shows the muscular system across the body. This poster focuses on both the anterior view and posterior view of the human musculature. One Anatomy Lab circulatory system poster shows the anterior view of arteries and veins within the body. Even more details are provided in an inferior view of the arteries in the brain, the cardiac blood supply, as well as the anterior view of the female pelvis. This poster shows the gaseous exchange in the capillaries in an enlarged cross-section of a vein and artery. The Anatomy Lab spinal nerves poster illustrates the posterior view of the human body showing the pathways of the nerves exiting the vertebral column. Other features on this poster include cranial nerves, cervical, thoracic, lumbar, sacrum, and coccyx sections of the spinal cord. A cross-section of the cervical spinal cord matches the dermatomes. This 4-pack bundle includes 994 labels for learning, identification, and study of the anatomical muscular, skeletal, circulatory body systems and the spinal nerves. The high-quality 2.4 mil lamination means these anatomy posters are tear and stain-resistant and protects the hand drawn illustrations from damage and curling. Each poster measures 17.3 inches in width and 22.5 inches in height, making it the perfect size for a variety of applications, including classrooms, clinics, home offices, and doctor's offices. Each poster is exclusive to Anatomy Warehouse and are proudly printed and laminated in the United States. None of these posters come with a frame.