search number 2 on google
good luck..
1. Kidneys contain millions of tiny filtering units called
A = urine
B =villi
C = perstalsis
D = nephrons
I think its C or D
2. Proteins are made up of substances called
A = amina acids
B = sugars
C = carbohydrates
D = starches
I think its carbohydrates
Please help last two questions
3 answers
From Google:
Each kidney has around a million tiny filters called nephrons.
Proteins are macromolecules formed by amino acids.
Each kidney has around a million tiny filters called nephrons.
Proteins are macromolecules formed by amino acids.
this website is no help.