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MIND MAP
Class XII -
CHAPTER AT GLANCE
• Heart rate increases
• Stroke volume
• Increases plasma volume of blood
• Blood pressure increases
• Blood flow redistribute
• Cardiac output increases
• Size and shape of muscle changes
• Correct body posture l o
• Food storage increases
• Toned muscles
• Efficient movement of muscles
• Change in connective tissues
• Increase in tidal air capacity
• Decrease in rate of respiration
• Strong will power
• Unused alveolus becomes active
• Increase in vital air capacity
Chapter - 7 : Topic - 1 : Physiology and sports injury
• Ageing in humans refers to a
multidimensional process of • Muscle composition
physical, psychological and • Size of Muscle
social change. • Body weight
• Intensity of nerve impulse
• Muscle composition
• Explosive strength
• Flexibility
• Biochemical Reserves and
Physiology metabolic power
• Muscle strength
• Joint structure
• Age and gender
• Internal environment
ance
rmi
• Oxygen intake
• Oxygen transport
• Oxygen uptake
• Energy reserves
• Lactic acid tolerance
• Movement economy
• Muscle composition