Fill in the blanks:
(a) The length of the whole digestive tract is________
metres.
(b) The stomach secretes_________
which is used to break down food.
(c) When hungry, the small intestine makes gurgling and rumbling sound
called_________
(d) The total length of blood vessels is nearly_________
kilometres.
(e) RBC acts as a source of________
to different parts of the body.
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Answer:
5 ft long, Gastric secretion,bowel sound,1,00,000 km, energy.
Answer:
Explanation:
A. About 30 feets in adult
B. gastric juice
C. bowel sound, peristaltic sound, abdominal sound, bubble gut or borborygmus.
D. About 100,000 miles long in an adult.
E. Oxygen