Question

how are the following minerals useful to body
a) calcium
b) iron
c) potassium
d) iodine​

Answer 1

Answer:

a) Calcium helps form and maintain healthy teeth and bones. 

b) Iron is a mineral vital to the proper function of hemoglobin, a protein needed to transport oxygen in the blood

c) Potassium helps regulate fluid balance, muscle contractions and nerve signals. 

d) Iodine is a mineral found in some foods. The body needs iodine to make thyroid hormones. 

Answer 2

Answer:

Calcium: It helps form and maintain healthy teeth and bones.

Iron: It carry oxygen in the hemoglobin of red blood cells throughout the body so cells can produce energy. It also helps to remove carbon dioxide.

Potassium: It helps regulate fluid balance, muscle contractions and nerve signals.

Iodine:  It is used to make thyroid hormones which help to control the body's metabolism.

Pls mark me as Brainliest