Medical Quiz

Breathing System Quiz

What is the percentage of oxygen in exhaled air?

A. 78%

B. 14%

C. 5%

D. Variable

Select your answer:
         


Topics:

Heredity and Living Cells Anatomy Bones Enzymes and Movement of Substances Enzyme Cancer & Cell Cycle Blood Groups Eczema Heart Asexual/Sexual Reproduction Stem Cells & Cell Differentiation Nutrition Lipid Deaf Blind Inner Ear Neuroanatomy Skull General Anatomy

Other quiz:

Oral Surgery › View

The infection spreading to bone and marrow spaces is

A. Osteomyelitis

B. Osteoarthritis

C. Osteoporosis

D. Osteopetrosis


Health › View

the parathyroids function with the thyroid gland to regulate the amount of calcium in the blood:

A. the proper amount of thyroid calcium

B. the proper amount of blood calcium

C. the proper amount of endo calcium