The shark immune system has been so effective that they have survived longer than mammals have been on earth

Indicate whether the statement is true or false


TRUE

Anatomy & Physiology

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Parasympathetic preganglionic axons

1.are shorter than parasympathetic postganglionic axons. 2.are shorter than sympathetic preganglionic axons. 3.release the same neurotransmitter as that released by sympathetic postganglionic axons. 4.release a different neurotransmitter than that released by sympathetic preganglionic axons. 5.release the same neurotransmitter as that released by parasympathetic postganglionic axons.\

Anatomy & Physiology

________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas ________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future

A) Adaptive immunity; specific immunity B) Nonspecific resistance; adaptive immunity C) Adaptive immunity; nonspecific resistance D) A natural killer cell; a cytoxic T cell E) Nonspecific resistance; cytotoxicity

Anatomy & Physiology

Secretory vesicles are about 200 times larger than transport vesicles

Indicate whether the statement is true or false

Anatomy & Physiology

Pernicious anemia develops from a deficiency of

a. ATP b. carbonic anhydrase c. cobalt d. erythropoietin e. intrinsic factor

Anatomy & Physiology