Biology
State whether the following statements are true (T) or false (F):
- Strenuous physical exercise may cause fatigue due to accumulation of CO2 in the blood.
- No CO2 is produced in anaerobic respiration in the human body.
- Breathing and gaseous transport are one and the same thing.
- CO2 is transported to the lungs by the blood in two forms: as bicarbonates and as carbamino-haemoglobin.
- Tissue respiration means chemical changes occurring inside the cell.
Answer
- False
Corrected Statement— Strenuous physical exercise may cause fatigue due to accumulation of lactic acid. - True
- False
Corrected Statement— Breathing and gaseous transport are first two steps of the four step respiration process in humans and animals. - True
- False
Corrected Statement— Cellular respiration means chemical changes occurring inside the cell.
Related Questions
In what form is the energy liberated in respiration?
Give two examples of life activities which need energy.
Match the items in Column I with those in Column II
Column I Column II Nasal chamber Production of voice Epiglottis C-shaped rings Air-sacs Warms air Lungs Drives mucus Larynx Closes wind-pipe during swallowing Trachea Network of capillaries Cilia Spongy and elastic How do the following contribute in inspiration during breathing?
- Ribs
- Diaphragm