maintaining life Flashcards
1
Q
what is urea
A
a waste substance created in the liver cells
2
Q
urine
A
urea dissolved in excess water in the kidneys
3
Q
ureter
A
the tube that connects the kidneys and the bladder
4
Q
urethra
A
the tube that goes from the bladder to outside
5
Q
why do plants need nitrate
A
to convert carbs to proteins
6
Q
why do plants need magnesium
A
to make chlorophyll
7
Q
what is the process that plants use to absorb water/ how does water get into the plant
A
osmosis or diffusion
8
Q
why shouldn’t a pregnant woman smoke
A
she shouldn’t smoke because the nicotine will make the baby small
