Life Processes
The process involving oxidation of food to release energy is known as _________ .
breathing
excretion
circulation
respiration
respiration
Respiration involves breakdown of glucose. It produces carbon, water and releases energy in the form of ATP. It is a biochemical process and takes place inside the cell. The released energy is utilized for various metabolic activities.
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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
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
Where does digestion of proteins take place?
A. Stomach only
B. Stomach and small intestines
C. Stomach and large intestines
D. Large intestines only
An instrument that measures blood pressure is known as:
A. anemometre
B. stethoscope
C. thermometre
D. sphygmomanometer
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