Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
In American Indian so they Thad the highest concentration toxins
Answer:
Option B, Barr graph
Explanation:
A bar graph is used for comparing several items all together based on any certain parameter.
Here, the lead content is the comparison parameter while the six sample of contaminated water wells acts as different items being compared.
A line graph is good to show a continous varying data set, while a circle graph is good to represent the component constitution of any major substance and a data table is best to represent a data set with multiple attributes.
Hence, option B is correct
Urinary Bladder : holds urine
■muscular ducts that connect kidneys & bladder
Ureter :
■hollow saclike organ connect to kidney
■transport Urine by peristaltic action from kidney to bladder
Urethra :
transports urine to the bladder to outside of the body
■narrow duct that connects to bladder
