Question

Which of the following is a protective function of blood?

1) Preventing infection
2) Maintaining normal pH in the body
3) Delivering oxygen from the lungs to all body tissues
4) Maintaining normal body temperature
5) Transporting hormones from endocrine organs to target tissues

Answer 1

The protective function of blood is to prevent infection.

Step-by-step explanation:

Blood has several protective functions, including preventing infection and delivering clotting factors and white blood cells to sites of infection. This helps to defend the body against pathogens and fight off diseases. Therefore, option 1) Preventing infection is the correct answer.