dozens of body parts are the same on each side, if a reversed image is considered the same. Some may be eyes, ears, fingers, toes, lungs, kidneys, arms, legs, wrists, ankles, knees, elbows, shoulders, hips.
No, here are a couple of examples why, certain organs like the heart and liver are not central and each side of the face is slightly differant.
each side is equal to each other side. all 3 sides have the same length
Both male and female have the same number, twelve pair.
No, because one side of your body has a heart, but it doesn't mean that the other side has it.
The right side of your brain processes and controls the left side of your body and senses, and the left does the same for the right. If you have a stroke, or trauma, to the right side of your brain then your left side of your body will be the affected side. The same for the left side of your brain. Damage to the left affects the right side. This is true even with something like vision. The left halves of each individual eye's visual field is processed by the right side of your occipital lobe, and the right by the left.
The total weight of the dumbbells with the same weight on each side is the weight of one dumbbell multiplied by 2.
Both. We have two lungs, one in each side of the chest.
Body shape is symmetrical - it has a line of symmetry and is the same on each side. Other animals are radial - starfish or jellyfish, for example.
When each side of a composition is exactly the same, it shows symmetry. This creates a sense of balance and order in the design.
a square
No.
Each heart valve is heard best on the left side on the animal's body. This is why humans used to believe the heart was located on the left side.