WingsOfEagles07
Jesus loves you friend
- Mar 9, 2009
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Actually can you define the word "Facts" for me? Plus, For something to be a Fact like the Existence of Air, That is a "Fact" this is 100% surity that air is real because it is what we breathe and we know it is a fact because it's here, Well how do we know that Evolution with the origins of Life is the correct view?
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I also have some other questions to ask you all, but, I have taken Biology class, So don't say I do not know anything about evolution. But, The human brain is connected to your spinal cord, and The brain has three parts 1. Forebrain 2. Midbrain 3. Hindbrain but the Cortex is the largest part of the brain which gives us the ability to think and do actions and is divided into four sections; 1. The Frontal Lobe 2. The Parietal Lobe 3. The Occipital Lobe 4. The Temporal Lobe. Now each one of these has there specific ability according to each of the Lobes.
--The Frontal Lobe is associated with reasoning, problem solving, movement, planning, parts of speech and emotions.
--The Parietal Lobe is associated movement, orientation, recognition, and perception of stimuli.
--The Occipital Lobe is associated with visual processing.
--The Temporal Lobe is associated with perception and recognition of auditory stimuli, speech and memory.
As we see above that the brain is very complex and made up of many different complex systems, in which the Brain is the most complex organ in the body. As we see from above against that with the Occipital Lobe the brain is connected to the eye, and Why is this? This is so we can perceive what we are seeing and react to it. We have a brain to let us know things by knowledge and memory that comes from the Temporal Lobe, So the Temporal Lobe works together with the Occipital Lobe so that we may have knowledge of many different things like the Functions of the Frontal Love and the Parietal Lobe. All of these Lobes work together in order to make the Life of one Human being work correctly therefore that person is able to Walk, Talk, Feel, Think, Feel Emotions, Feel Physical Attributes, Etc...Now lets talk about the occipital Lobe, The brain is connected to the eye by the Optic Nerve, This is so that we are able to perceive what we see, Like if we see a Bear running toward us and we hear it running so we look up and see it, The Eye will see that bear, the information that you have obtained through memory from the Temporal Lobe lets your brain know that you have just seen a bear and it is running toward you, and your brain releases this knowledge throughout body and will release certain toxins in your body to make you run faster, jump higher, etc.. These toxins are called endorphins, which can be acted as Adrenaline. But there are also different functions of the eye other than percieving through the brain. As the person looked up, that person had to focus on that bear in order to perceive that it was a bear. In order to focus in with the eyes of a human being, The Front part of the Choroid has two parts to it. 1. The ciliary body which is a muscular area attached to the lens of the eye, it contracts and relaxes to control the size of the lens for "focusing". 2. Iris is the colored part of the eye that has a adjustable diaphragm. The Iris has two muscles (1.The Dilator muscle which makes the Iris smaller and the pupil bigger which allows more light into the eye. 2. The Sphincter muscle makes the Iris bigger and the pupil smaller, allowing less light into the eye. Which leads me to my next point. The retina is the light-sensing portion of the eye that contains Rods and Cones. One for Light and one for darkness. The cones are sensitive to light and allow us to see greater color and clearer images. The rods are sensitive to low areas of light but have a longer time to adjust since were used to light more than darkness. The pupil size can differ from 2mm to 8mm, this means that the eye can change the amount of light by 30 times.
The chemical called, "Rhodopsin" which converts light into electrical impulses that the brain interprets as vision, Thus you can see the bear and know what it is.
Medial rectus - moves eye toward nose
Lateral rectus - moves eye away from nose
Superior rectus - raises eye
Inferior rectus - lowers eye
Superior oblique - rotates eye
Inferior oblique - rotates eye
These muscles here are attached to the eyes so that the eyes can move in all directions therefore yielding us to see more light. (Yielding = Producing).
Looking through the eyes of a human being, they are like a camera 24/7 when your awake. As you go around and about your life, The lenses are changing the size according to the amount of light perceived through the cornea then the aqueous humor then the lens and vitreous humor then it hits the retina and the rods and cones, when the light contacts these two structures very complex chemical reactions occurs and the chemical formed out of these reactions is Rhodopsin that creates electrical impulses in the optic nerve to the brain. Rhodopsin is a mixture of 11-cis-retinal and scotopsin. As Rhodopsin decomposes by the light entering the eye, activated Rhopopsin is also called Metarhodosin 2, which causes those electrical impulses to happen.
Electrical Impulses:
- The cell membrane (outer layer) of a rod cell has an electric charge. When light activates rhodopsin, it causes a reduction in cyclic GMP, which causes this electric charge to increase. This produces an electric current along the cell. When more light is detected, more rhodopsin is activated and more electric current is produced.
- This electric impulse eventually reaches a ganglion cell, and then the optic nerve.
- The nerves reach the optic chasm, where the nerve fibers from the inside half of each retina cross to the other side of the brain, but the nerve fibers from the outside half of the retina stay on the same side of the brain.
- These fibers eventually reach the back of the brain (Occipital Lobe). This is where vision is interpreted and is called the primary visual cortex. Some of the visual fibers go to other parts of the brain to help to control eye movements, response of the pupils and iris, and behavior.
But don't worry about the complexity of our minds and eyes, It all just came from the starting Chemicals of the earth that caused the "first" single-celled organism that evolved over time into what we are today. Don't worry the 127 million photovoltaic receptors we have that convert light into electricity and transmitted along one million nerves to the 1% of the cortex is just existing without a creator because it exists to just exist.
How could chance, acting with one gene at a time, start with a sightless organism and produce an eye with so many interdependent precision parts? The retina would be useless without a lens; a lens would be useless without a retina.
Paley asks,
"Is it possible to believe that the eye was formed without any regard to vision; that it was the animal itself which found out that, although formed with no such intention, it would serve to see with?"
"...There cannot be design without a designer, contrivance without a contriver...The marks of design are too strong to be got over. Design must have had a designer. That designer must have been a person. That person must have been God."
Darwin himself suggested the complexities of the human eye negate his own theory of evolution
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