The blood vessel which is a part of corpus malpighii is called:
(a) a. trabecularis
(b) aa. pulpae albae
(c) aa. lymphnoduli (centrales)
(d) aa. penicillares
Ans: (c) aa. lymphnoduli (centrales)
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The systemic circuit delivers oxygenated blood to ________ and returns blood to the ________
A) body organs; right atrium B) lungs; right atrium C) lungs; left atrium D) body organs; left atrium E) lungs; right ventricle
Homeostatic control that takes place at the tissue or cell by using paracrine or autocrine signals is called ________.
A) down-regulation B) Cannon's law C) reflex control D) local control
The first human vaccination developed by Jenner was
a. for smallpox b. for anthrax c. used inoculum from sheep d. both a and b e. both a and c
All of the following are steps in setting up the microscope in order to view a specimen EXCEPT ________
A) checking the position of the condenser B) focusing C) positioning the low-magnification objective lens over the aperture D) plugging in the electrical cord and turning the microscope lamp on