Straight
Straight
yes
a curve in the spine almost like an s' shape
It is not normal for your spine to stick out. If you notice any unusual protrusions or changes in the shape of your spine, it is important to consult a healthcare professional for evaluation and advice.
bilateral. meaning that they are symetric about a line drawn down their spine.
The nasal spine is a small bony projection located at the lower part of the nasal cavity between the two nostrils. It helps support the structure and shape of the nose.
The spinal cord is not in the shape of a spiral, it goes straight through the spine, connecting the brain to the various parts of the body below the neck.
No, a baby's spine looks something like a C when they're born. Over time, as they become able to lift their head, crawl and ultimately walk the spine changes and develops the normal S-shape.
The diaphragm is composed of muscle and tendon in the shape of a dome and anchored to the spine and ribs.
Monkeys, Baboons and Gorilla's have spines that are shaped pretty much like humans
Lordosis is the flattening of the natural curve in the lumbar spine, or "flat back." That natural curve is the slight S shape that you see in someone's back when they stand sideways or lie down on their stomachs. Scoliosis is an abnormal curvature of the spine. With scoliosis, the vertebrae make an S or C shape when viewed head-on.
If you look at the shape of a dog's body, laying on his back (spine) would be an unstable condition, and he'd roll to the side one way or the other. Dogs do not lie on their spine because it hurts. :) There are dogs that lay right on their backs, my dog does it.(Jack Russell)