What part of the eye contains the photoreceptors?
What will be an ideal response?What will be an ideal response?
retina
You might also like to view...
The ability of certain cells to mobilize in response to changes in their chemical environment is called ________.
Fill in the blank(s) with the appropriate word(s).
The job of the urinary system is to make urine, thereby controlling the body's ________ and eliminating waste products.
A. red blood cell count B. specific gravity C. rate of gas exchange D. fluid and electrolyte balance
When someone engages in exercise that requires more oxygen than is available, they develop a(n) ________ (2 words), which results in heavy breathing for several minutes after the exercise is complete.
Fill in the blank(s) with the appropriate word(s).
The skin carries out the first step in the synthesis of vitamin D
Indicate whether the statement is true or false