<span>The person might have trouble seeing shades of red, blue, and/or green. Color-sensitive pigments in the cones of the eye are absent. These inabilities to see certain colors ends up leading to the person seeing the colors in question as a mixture of the same shade.</span>
Answer: FROM THE PULMONARY VEIN
Explanation: oxygen poor blood from the right ventricle into the lungs, where the oxygen enters the bloodstream. The pulmonary veins bring oxygen rich blood to the left atrium.
Vomiting is a common symptom of the stomach flu - it starts a few hours after you're exposed to the virus so there isn't a certain amount of times you will vomit but drinking plenty of fresh, clean water will help you keep hydrated! :)
Light reaction occurs in presence of light while in dark reaction light is not needed
