The class of nutrient that is necessary for production is D. FAT
Proper muscular fitness improve posture
Explanation:
Good posture and body balance is highly essential for good health of the body. This helps to avoid risks of mechanical injuries. A proper muscular fitness regime has huge benefits like providing good energy levels, efficiently working heart, improves endurance, builds confidence and improves body balance and maintains posture.
To maintain a good posture, muscular fitness, flexibility, strength, strong skeletal structure, and normal joint movements are necessary. Posture defines the way one should stand, sit, or lie.
Strength training exercises provides good muscular fitness and aids in good body mechanics. This helps to maintain good body balance and coordination as well as posture.
Answer:
Walter Cannon; Hans Selye.
Explanation:
The fight or flight response is generated in the body at the time of the stress condition of the body. The body bring some physiological changes to adapt in the stress condition.
Walter Cannon was the first scientists to discover and explain the phenomena of the flight and fight response. Hans Selye is known as the father of stress and explain the general adaptation syndrome and explain the change in physiological response during stress.
Thus, the correct answer is option (c).
