Earthworms, which are substrate feeders...
eat their way through the soil, feeding on partially decayed organic matter
which of the following is mismatched with its function?
Vitamin K-blood clotting
Blood pressure is highest in__, and blood moves most slowly in ___.
Pauls blood pressure is 150/90. The 150 indicates ___ and the 90 indicates ___.
pressure during ventrical contraction, pressure during heart relaxation
Foreign molecules that elicit an immune response are called__
Which of the following best describes the difference in the way B cells and cytotoxic T cells deal with invaders?
B cells send out antibodies to attack, certain t cells can do the attacking themselves
Cytotoxic T cells are able to recognize infected body cells because
the infection changes the surfaces of infected cells
__ attacks infected body cells
Cytotoxic T cell
__Carries out the humoral immune response
__Causes allergy symptoms
___Phagocytic white blood cell
General name for B or T cell
___Carries out secondary immune response
Cell most commonly attacked by HIV
Helper T Cell
The main difference between endotherms and ectotherms is?
the source of most of their body heat
Which process in the nephron is least selective?
You place your hand on a black car hood in bright summer sunshine. The car hood was heated by the process of ___ and your hand was warmed by the process of____
Which of the following is not an adaptation for reducing the rate of heat loss to the environment?
contraction of flight muscles before a moth takes off