Life Processes
Which of these is the correct sequence in the process of digestion?
Digestion → Ingestion → Absorption → Excretion
Excretion → Absorption → Ingestion → Digestion
Ingestion → Digestion → Absorption → Excretion
Ingestion → Absorption → Digestion → Excretion
Ingestion → Digestion → Absorption → Excretion
Digestion process involves the following steps:
→Ingestion or the process in which food is taken in the body.
→Digestion or the process in which complex food particles are broken down into simpler substances.
→Absorption or the process in which the digested food is absorbed into the body.
→The byproducts of metabolic reactions which are not useful for the body are eliminated through the process called excretion.
Ingestion → Digestion → Absorption → Excretion Digestion process involves the following steps:
→Ingestion or the process in which food is taken in the body.
→Digestion or the process in which complex food particles are broken down into simpler substances.
→Absorption or the process in which the digested food is absorbed into the body.
→The byproducts of metabolic reactions which are not useful for the body are eliminated through the process called excretion.
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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
Where does digestion of proteins take place?
A. Stomach only
B. Stomach and small intestines
C. Stomach and large intestines
D. Large intestines only
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