Pericardium Pericardium
The immediate protector of the heart is the pericardium, which is the sac that surrounds the heart. The heart is also protected by muscle, bone, and skin.
I am pretty sure a foot is a frame structure because frame structures have a skeleton of very strong material (being bones) which supports the weight of the skin.Part of the foot structure is in the form of an arch.
Vagus nerve
Rest
No heart muscles are different from arm muscles. They are not same either structure vise or by function wise , both have seperate entity and function.
cytoplasm (:
The spine.
where is the support in a frame structure
the pie system
A shell structure supports its self and a frame structure does not support it self.
The heart supports all life functions.
the heart structure is the way that the heart is built and shaped but the parts of the heart is whats in the the heart and what the heart is made out of.
It supports all of your Vidal organs.
the vertebre
The pelvis is the bowl-shaped structure that supports the spine.
The cytoplasm
A sparrow has a four-chambered heart, which is typical of birds. This heart structure consists of two atria and two ventricles, allowing for efficient separation of oxygenated and deoxygenated blood. This adaptation supports their high metabolic rates and active lifestyles.