Question:

Muscle fatigue sets in due to non-availability of

Updated On: Jul 6, 2022
  • calcium
  • actin binding sites
  • Mg cofactor
  • ATP.
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The Correct Option is D

Solution and Explanation

Fatigue is a feeling of tiredness resulting from continued activity. It occurs due to the impossibility of maintaining the required energy supply. It may be due to excessive activity, which results in the accumulation of metabolic waste products or may be due malnutrition, i.s., deficiency of carbohydrates, proteins, minerals or vitamins or circulatory disturbances such as heart disease or anaemia, which interfere with the supply of oxygen and energy materials to the tissues.
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Concepts Used:

Parturition and Lactation

Parturition:

It is the process of the contraction of the uterus at regular intervals that helps in the delivery of the baby at the end of pregnancy. The signals that the fully developed fetus sends through the placenta for ejection is called Foetal ejection reflex. These signals induce muscular contractions.

The time period from fertilization to childbirth is called the gestation period.

Lactation:

It is the process of production of milk by the mammary glands at the end of pregnancy. The milk produced initially by the glands is called colostrum. This milk is crucial for the baby as it provides the child with initial immunity.