After eating ,the pH in the mouth decreases. Which statement explains this decrease ?
Bacteria release acids
Enzymes in saliva release acids.
Salivary glands release acids.
Taste receptors release acids.
In human body , the absorption of water takes place in _______ while storage of fecal material takes place in _______.
Small intestine, anus
Small intestine, rectum
Large intestine, anus
Large intestine, rectum
Which of the follwoing organs is involved in the absorption of nutrients from food ?
Pancreas, liver and gall bladder
Stomach .oesophagus and kidney
Heart, pancreas and stomach
Liver ,pancreas and lungs
