You are presented with the question "the structural and functional units of the kidneys consist of vascular and tubular what?" and the following answer choices: 
- Epidermis
 - organ
 - epidermal
 - it needs them
 - critical organs
 - sensory neurons
 - components
 - Joules

Now knowing that nephrons are the structural and functional units of the kidneys and nephrons consist of vascular and tubular components, choose the best answer.


 

       components  