Excess amounts of salts, water, and materials are expelled in the urine from the a. kidneys b. bladder c. urethra d. gallbladder

The correct answer is:

Urine is collected and discharged, from the body, from the bladder through the urethra. The bladder is a portion of the excretory system capable of holding liquids and eliminating excess fluids in the body. It may include salt, sugar, and other forms of materials that are not required by the body. This organ stretches and shrinks based on the amount of fluid that a person has taken into the body. It can increase in size when fluid is not discharged the second the thought of urine transfers your system.

B: BLADDER

Explanation:

to increase speed you need to decrease frictiona dn drag hense why sprinters wear tight track suits to keep tight against there skin to keep away from wind and decrease the amount of drag you are carrying.a swimmer will wear the tightest swim suit they can possibly fit into (i was a size 28 swim suit at meets i wore a   size 23) why? because the tighter your clothing is the less drag and negative force you have. the heavier the clothe the slower and more wind gets caught. cotton tends to hold onto alot of sweat and water making it slower then say a track suit (no idea what they are made of but they are really comfy around your answer )

answer: bro you need to come up with it yourself   your teacher will know if anit from your community

but think of your local boy or girls scouts, ymca, boys and girls club or your local food bank

explanation: