Tony is with his family on a long drive to California. He has to go to the bathroom. His parents response he will need to hold it until they make it to a restroom. Which of the following makes waiting to urinate possible? A. Urethra
B. Ureters
C. Internal urethral sphincter
D. External urethral sphincter

a and c are the answeres

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

i dont know it at allnow im just getting points at this pint

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you