error 707

where the digestion process starts from

• mouth

• oesophagus

• small intestine

• large intestine

• stomach

what is the largest gland in the body

• liver

• pancreas

• salivary glance

• HCL

• mouth

do you like science so far

• yes

• no

• terrrible

• perfect

what is a example of physical changes

• breaking of pencil

• cutting of wood

• burning the wood

• rotting the fruit

what is a example of physical changes

• breaking of pencil

• cutting of wood

• burning the wood

• rotting the fruit

what is a rusting

what is galvanization

list two ways of prevent rusting

what is villi list two function

draw stomach