The heart is called a "double pump" because there are two functionally separate circulations
Trace the pathway of each of these circulations and include the following information: heart chambers involved, major blood vessels involved, and general areas through which the blood flows. Begin with the right atrium.
What will be an ideal response
Right atrium to right ventricle to pulmonary trunk to pulmonary arteries to lungs to pulmonary veins (pulmonary circuit pump); left atrium to left ventricle to aorta to body tissues to venae cavae (systemic circuit pump).
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The endocrine system
A. secretes chemicals that reach their targets through the bloodstream. B. is isolated from the nervous system. C. releases neurotransmitters into ducts. D. communicates via frequency-modulated signals. E. contains organs called exocrine glands.
What is the salivary gland that secretes a watery mixture rich in salivary amylase and buffers?
A) mandibular B) sublingual C) lingual D) submandibular E) parotid
The part of the intrinsic conduction system of the heart that directly transmits impulses to the walls of the ventricles is the Purkinje fibers
Indicate whether the statement is true or false
The autonomic nervous system carries what kind of messages?
A. Sensory B. Efferent C. Voluntary D. Afferent