Which statement describes the U.S. organ donation system?
A. About 30,000 transplants are performed each year.
B. It is mandatory.
C. About 200 lives are saved per year.
D. The waiting lists for organs are very short.
Select your answer:
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Dermatology Vocabulary Excretion-Dialysis Stem Cells & Cell Differentiation Enzymes and Their Functions Motor Neuron Disease Integumentary System: Skin Disorder Health Care Corona Circulatory & Lymphatic Geriatrics Skin Structure Laboratory Careers History of Immunology Nutrition, Neuroscience & Mental Health How the Eyes workOther quiz:
Neuroanatomy › ViewWhich of the following uses the ligand gated ion channels.
A. Photons of light activating an ion channel with photoreceptors of the retina.
B. Hair cells in the cochlea vibrate in response to sound to activate an ion channel.
C. In the spike initiation zone, or axon hillock, the membrane potential becomes sufficiently depolarized to activate an action potential.
D. GABA is released from vesicles of the presynaptic terminal causing an increase in chloride ions on the post synaptic membrane.
Breathing System › View
What happens to our chests when we breathe?
A. They get bigger when we inhale and smaller when we exhale
B. They get smaller when we inhale and bigger when we exhale
C. They stay the same size when we inhale and exhale
D. They move up and down when we inhale and exhale