Respuesta :
they are like hairs so D hope this helps can I have brainliest and thanks plzzzzzz cause I helped u asap
Answer: D. They are like hairs.
Explanation:
- Cilia are hair-like structures which are very thin and slender.
- They are microscopic in nature.
- It is found on the surface of cells and performs many functions such as locomotion, sensory functions etc.
- In human beings, they are found on the mucosal surfaces of the respiratory system and, help in the clearance of debris and microbes.