1. The third layer of the eye is the Retina 2. The retina <span>receives light rays and images and passes them on to the Optic nerve.</span>
<em>Answer: D.
the insect touching the trigger hairs</em>
<em>I did the test</em>
The neurotransmitter in the body
which prepares it for "fight or flight" reaction is EPINEPHRINE. The
level of Epinephrine is remarkably high in patients who have anxiety-related
disorders. Also known as adrenalin or adrenaline, epinephrine is a hormone and at the same time a neurotransmitter; it is also used as medication.
Biological macromolecules are important cellular components, they have a wide array of functions necessary for survival and growth of living organisms. There are four major classes of biological macromolecules
-carbohydrates
-lipids
-proteins
-nucleic acids.
Taproot and Fibrous roots
