AP BIOLOGY

Detailed explanation-1: -The rib cage consists of 24 ribs (2 sets of 12), which are attached to a long, flat bone in the centre of the chest called the sternum. The ribs are connected to the sternum with a strong, somewhat flexible material called cartilage.

Detailed explanation-2: -The ribs form a cage that shelters the heart and lungs, and the pelvis helps protect the bladder, part of the intestines, and in women, the reproductive organs.

Detailed explanation-3: -Rib cage occupies the chest region. It is cone-shaped structure made up of 12 pairs of ribs. Ribs are attached to vertebrae at the back which curve around to form a cage. 10 pairs of ribs are attached to the breast bone at the front.

Detailed explanation-4: -Complete answer: The heart is located between the two lungs in the middle of the chest and slightly to the left of the sternum. The rib cage is known for enclosing and protecting the thoracic cavity. In the thoracic cavity, the heart and lungs are present. Hence, the rib cage protects the heart.

Detailed explanation-5: -The breastbone is attached to the collarbone and the first seven ribs. Also called sternum.