Our body's first line of defense against foreign invaders is the ____,which acts as a barrier.
A) kidney
B) brain
C) skin
D) heart
E) stomach

Question

Quizplus · Accepted Answer

The skin is the body's largest organ and acts as a physical barrier to prevent foreign invaders, such as pathogens and toxins, from entering the body. It helps to protect the body's internal organs and tissues from damage and infection.

Our Body's First Line of Defense Against Foreign Invaders Is