Because if you give them the wrong kind of blood, then their body will react to the different blood cells like they were bacteria or a virus.
Your spinal cord works like a Telephone wire, sending messages back and forth between your body and your brain.
<span>Its components are visible. --heterogenous
It may be mistaken for a pure substance. --homogenous
It can be separated using distillation. --homogenous
Concrete is an example of this kind of mixture. --heterogenous
Hope this helps!</span>
Answer:
the different colored liquids would've the manipulated while the amount of hummingbirds that visit is the responding variable.
Both plant and animal cells have a nucleus and mitochondria