The immune system doent take it as a threat but other systems would take it as a threath
Answer:
1. The retina contains three kinds of colour receptors
Explanation:
Young-Helmholtz theory color vision says human can perceive colour due to the presence of colour receptors in the retina that receives colour in various wavelengths
The correct answer is false. Hope this helps.
How do you not know this it’s so easy
