Which of the following effects would you expect if red blood cells were shaped like neurons?
A- They would not be able to move as easily through capillaries
B- They would more easily carry out gas exchange in the alveoli
C- They would not need to be transported through the body
D- They would become more effective at picking up urea discarded by blood cells

Question

Which of the following effects would you expect if red blood cells were shaped like neurons? 
A- They would not be able to move as easily through capillaries 
B- They would more easily carry out gas exchange in the alveoli 
C- They would not need to be transported through the body 
D- They would become more effective at picking up urea discarded by blood cells

anonymous · Answer

If you saw one, would it help?

anonymous · Answer

The disk shaped things are red blood cells and the other one is a neuron in the brain. 

Do YOU think neurons would be easy to move through your veins and capillaries?
Do red blood cells move for a reason?
Do you think they would be more effective at much of anything? 

Yeah, no. SO I would chose A,
Because our bodies work like wonderfully perfect machines, and any changes would disrupt the smooth flow of things.