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Explanation
The patella is commonly known as the kneecap and is a small bone that connects the femur (thigh bone) to the tibia and fibula (lower leg bones). It plays a crucial role in the functioning of the knee joint, as it helps to protect the joint and improve the leverage of the thigh muscles. The patella also assists in the smooth movement of the knee during activities such as walking, running, and jumping.

Explanation
The answer provided lists the five backbones that make up the spine: sacral spine, coccyx, lumbar, thoracic, and cervical.

Explanation
The tibia is actually a bone in the lower leg, while the ulnar is a bone in the forearm. Therefore, they are not both part of the lower arm, making the statement false.

Explanation
Scapulars are also called Angel Wings because they are a type of religious garment worn by some Christians, particularly those in the Catholic tradition. Scapulars consist of two small pieces of cloth connected by strings and are worn over the shoulders, with one piece hanging in the front and the other in the back. The shape and positioning of the scapulars resemble wings, hence the nickname "Angel Wings." Scapulars are often associated with devotion and are believed to offer protection and blessings to those who wear them.

Explanation
The correct answer is calcaneus. The calcaneus, also known as the heel bone, is the largest bone in the foot. It is located at the back of the foot, below the ankle joint. The calcaneus plays a crucial role in weight-bearing and helps to support the body's weight while walking, running, and standing. It also provides attachment points for various muscles, tendons, and ligaments involved in foot movement and stability.

Explanation
The scapulars, ilium, and xiphoid process are all located between the mandible and the ischium. The scapulars are the shoulder blades, which are located on the back and connect the upper arm bone to the collarbone. The ilium is one of the three bones that make up the hip bone, and it is located on the upper part of the pelvis. The xiphoid process is a small, cartilaginous extension at the lower end of the sternum, which is located in the chest area. These structures are all found between the mandible (jawbone) and the ischium (part of the hip bone).