The cause of tooth decay.
Fungus
Virus
Bacteria
Germs
The undigested and unabsorbed portions of food are temporarily stored in the
anus
rectum
small intestine
large intestine
The longest portion of the alimentary canal.
Esophagus
Small intestine
Large intestine
Stomach
The function of Canines.
For tearing food
For cutting food
For chewing food
For grinding food
The gas that is sent out during photosynthesis.
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
The hardest substance in the human body.
Back bone
Skull
Tooth enamel
Nail
Urine contains --------------- of water.
94%
95%
96%
97%