C. Skin
Because it's the outer layer of your body that protects everything
Answer:
B
Explanation:
When completing this test, you have your test leg straight and against the test board while the other is curled up to your chest
Physicians use the smart pill test to rule out any gastrointestinal system disorders. It is a diagnostic method test that can detect some gastric disorders inside the body.
a negative value means that there is no gastric problem inside the body.