Which of the following provides a chemical barrier to infectious disease?

A. tears
B. the skin
C. the nostrils
D. hair


Answer: A

Health & Biomechanics

You might also like to view...

The choline transporter is a neuronal membrane transporter that shuttles ____________ from the extracellular space into the cytosol of the axon terminal. On the other hand, the ACh transporter concentrates the neurotransmitter in the _______________

Both move the transmitter molecules against their ________________ Fill in the blank with correct word

Health & Biomechanics

A suffix that means enlarged is ____________________

Fill in the blank(s) with correct word

Health & Biomechanics

In urinalysis, bilirubin in the urine may indicate disease of the

A. kidney B. pancreas C. gallbladder D. liver

Health & Biomechanics

A/An ____________________ is a medication that kills or damages cells

Fill in the blank(s) with correct word

Health & Biomechanics