________ prevent the backflow of blood in veins
Fill in the blank(s) with correct word
Valves
You might also like to view...
In the ZW system of sex determination (as in birds), a male is _____________ while a female is ______________
A. ZZ : ZW B. ZW : ZZ C. Z0 : ZW D. Z : ZW
Collecting data without a specific hypothesis in mind is called ______.
A. reductionism B. hypothesis testing C. discovery-based science D. theoretical E. All of these choices are correct
Compare and contrast the structure and functions of three of the following four intercellular junctions:desmosomes
, gap junctions, tight junctions, and plasmodesmata. What will be an ideal response?
List the three processes involved in the formation of urine in order. 1. tubular secretion 2. tubular reabsorption 3. glomerular filtration
A. 1, 2, 3 B. 2, 3, 1 C. 2, 1, 3 D. 1, 3, 2 E. 3, 2, 1