Class 12 th

Circuit method was developed by

• R.E Morgan

• G .T Adamson

• Both a and b

Fracture is an injury of

• Bone

• Ligament

• Muscle

Which of the following is a muscle injury ?

• Contusion

• Abration

• Cramp

Sociology is the science of

• Body

• Mind

• Society

------- is the ability to resist fatigue.

• Patience

• Endurance

• Work

Isometric exercises were introduced by :--

• Hetttinger

• Muller

• Both a and b

Gaseous exchange takes place in the :--

• Lungs

• Kidney

• Stomach

Interval training method was introduced by :-

• Melvis

• Herenles

• Woldemar and Greshler

The smallest tubes carrying blood in the body are called :--

• Muscles

• Vessels

• Blood capillaries

In isotonic exercises the length of the muscles :--

• Remain same

• Expanded

• Changes