Question

1.
B. Fill in the blanks.
is the hardest substance in the human body.
2.
Meat, fish, soya and eggs are good sources of
3.
is a mineral found in blood.
4.
is an organised system for the digestion of food,
5. Gums attached to the bony parts are called
6. Solid waste formed after digestion is​

Answer 1

Answer:

1. Tooth enamel

2. Don't know

3. Iron

4. digestive system 

5. gingiva

6. chyme