Answer:
the olfactory epithelium
Explanation:
There are several protective features of the respiratory system which is responsible for stopping the less aggressive pathogens. Some of these protective features are:
Hairs in nose which trap pathogens like bacteria, virus from entering the lungs. The respiratory tract has mucus which is responsible for trapping the microbes and mucus have IgA antibodies which helps in eliminating these microbes. Alveolar macrophages engulf the pathogen and digest them
Olfactory is not a protective feature of the respiratory system and is responsible and adapted to detect the odor and transfer this signal to the brain.
Answer:
3. Prokaryotic
Explanation:
Archaea and bacteria are both prokaryotic, which means they don't have a nucleus or membrane-bound organelles. Hope that helped!
Answer:
The gene that appears more in the family tree is dominant
The gene that appears less is recessive.
It seems that all the white shapes are dominant and the black shapes are recessive.
Yea that is true but more stuff is maybe made more