This question is asking about the overall makeup of the heart and its structures which refer to its "skeleton":
It consists of rings of connective tissue that surrounds the pulmonary trunk and aorta at their proximal ends. It provides firm attachments for heart valves and muscle fibers.
It is called a skeleton for a reason. As it helps to maintain the heart's shape when it relaxes.
The sternum is part of the chest skeleton system, it has nothing to do with the heart.
The heart and lungs are with in the chest, protected by the skeleton's rib cage.
the heart is situated just behind and slightly left of the breastbone, from this bone arises the ribs, the bones that go around the body trunk and defines the thorax. This anatomy is how the skeleton protects the heart.
The skeleton. The heart and lungs are protected by the rib cage, the brain is protected by the skull.
A hydraulic skeleton is composed of muscle and fluid.
bone
It is called a skeleton for a reason. As it helps to maintain the heart's shape when it relaxes.
Cartilage
Cartilage
The appendicular skeleton is composed of 126 bones of the limbs and the pectoral.
something i dont know
The appendicular skeleton is composed of 126 bones, including those of the upper and lower limbs as well as the pectoral and pelvic girdles. These bones are important for movement and provide connections to the axial skeleton.
The axial skeleton is composed of the skull, the spinal column, and the pelvis. All other bones are part of the appendicular skeleton.
siliceous mineral
The heart is composed of cardiac muscle.
Muscular