Life Processes
Where does digestion of proteins take place?
Stomach only
Stomach and small intestines
Stomach and large intestines
Large intestines only
Stomach and small intestines
The digestion of proteins starts in the stomach by the action of gastric juices produced by the walls of the stomach. Further, it also takes place in the duodenum and ileum of the small intestine under the action of pancreatic and intestinal juices respectively.
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The process of obtaining food to meet the energy demands of the body is known as:A. excretion
B. respiration
C. nutrition
D. circulation
The process involving oxidation of food to release energy is known as _________ .
A. breathing
B. excretion
C. circulation
D. respiration
What is the function of the sac-like structures present at the end of bronchioles?
A. Storage of respiratory gases
B. Exchange of respiratory gases
C. Protection of lungs
D. Protection from bacteria
Exchange of gases in alveoli occurs through:
A. absorption
B. dialysis
C. diffusion
D. anaerobic respiration
The process of digestion of food starts in the:
A. mouth
B. stomach
C. small intestine
D. oesophagus
The smallest blood vessel of the circulatory system is known as the:
A. artery
B. vein
C. capillary
D. aorta
An instrument that measures blood pressure is known as:
A. anemometre
B. stethoscope
C. thermometre
D. sphygmomanometer
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