A specific defense mechanism is always activated by:
an antigen
an antibody
fever
inflammation
All of the choices are correct
an antigen
You might also like to view...
Blood colloid osmotic pressure is largely due to
A. the proteins in the blood, and it promotes reabsorption. B. the high amount of water in the blood, and it promotes diffusion out of the capillaries. C. the proteins in the blood, and it promotes filtration. D. the pressure generated by the heart, and it favors osmosis into the arteriole end of the capillary bed. E. the high amount of water in the blood, and it promotes filtration from arterioles.
Which of the following movements is a good example of supination?
A) opening the mouth B) turning the hand palm upward C) extreme backward bending of the head D) moving the hand toward the shoulder E) spreading the fingers
The two major parts of the cell's interior are the ____________________ and the ____________________
Fill in the blank(s) with correct word
Heart venticles relax during:
A. diastole B. systole