★ Respiratory System Quiz
During cellular respiration, what happens to the carbon dioxide?
A. It leaves the alveoli and is exhaled from the lungs
B. It leaves the bloodstream and enters the alveoli
C. It leaves the cells and enters the bloodstream
D. It leaves the alveoli and enters the bloodstream
Select your answer:

Topics:
Circulatory & Lymphatic Myocarditis Inner Ear Neuroanatomy Medical Vocabulary All About Blood Heart Vocab and Blood Flow Pathway Infectious Diseases Parts of the Skin Major Nutrients BMI (Body Mass Index) Disease Motor Neuron Disease Respiratory Diseases Cardiology UrinaryOther quiz:
Eco Factors & Bacteria › ViewStrong outer layer that protects the bacterial cell from infection by viruses and attack from immune cells.
A. Pilli
B. Cell wall
C. Capsule
D. Flagella
Thyroid Disease › View
Thyroid nodule greater than ? should always be sent for FNA
A. 1cm
B. 0.5cm
C. 2 cm
D. Size does not matter