Question

Which of the following functions associated with the blood?
I. Delivery of oxygen and other essential elements throughout the body
II. Protection against bacteria, viruses, and blood loss injuries
III. Serves as passageway of air into the lung
IV. Facilitate the process of breathing
A. I only
B. I, II
C. I,II,III
D. I,II,III, and IV​

Answer 1

Answer:

(D)

Explanation:

1,2,3 &4 this is the correct answer

Answer 2

Explanation:

correct answer is

(d)

Hope answer will help y