Please help, will give you brainlist and 15 points. 1. What makes up our blood?
2. Why is blood of such vital importance to life?
3. Do all living organisms have blood?

1. our blood is made up of liquid and solids. the liquid part is plasma which is water salts and protein. the solid part is red blood cells white blood cells and platelets.

2. blood circulates through our body and delivers essential substances like oxygen and nutrients to the body's cells so without blood that wouldnt be possible.

3. most animals do have blood but i think living things lke starfish do not have blood.

explanation:

hope this helped :) pls give me brainliest <3

the answer will be a) proteins i believe

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!