Q: What is the main function of blood?


Read this paragraph and choose the correct option from the provided answers:

The main function of blood is transport. Blood in arteries carries oxygen and nutrients to all the body’s cells. Blood in veins carries carbon dioxide and other wastes away from cells to be excreted. Blood also transports the chemical messengers called hormones to cells throughout the body where they are needed to regulate body functions. Blood has several other functions as well. For example, blood:.

 Choices:

- digestion

- respiration

- excretion of waste

- to transport


A:
to transport