Question

Which of the following describes how blood helps to maintain homeostasis by working with the immune system?

By having white blood cells to attack pathogens
By delivering oxygen to cells so they can divide
By delivering nutrients from food to cells
By carrying waste to the kidneys

Answer 1

i just took the test, its A

Step-by-step explanation:

Answer 2

the first one, By having white blood cells to attack pathogens. this is because blood also has white blood cells. and the immune system has pathogens. so the blood cells help attack pathogens.