Answer:
Although not fully understood, low back pain problems are usually linked to two areas: 1) lifestyle, which includes stress, lack of exercise and poor posture, and 2) physical injury or disease. Stress can be a precursor to low back pain by upsetting your nervous system, causing your muscles to go into spasm.
Explanation:
Answer:
Resistance
Explanation:
Resistance is the opposite force that acts against the work done. Resistance in muscle exercise refers to the exercise in which the muscle moves against the resistance provided by the gravity and external force like the dumbbells, bars and weight.
This external exercise puts the Resistance on the muscle and when the muscle tries to move against the resistance puts pressure on the muscle and the exercise becomes hard. As a result of this, the endurance and strength of the muscle increases and nowadays is used as fitness exercise in the gym and professional bodybuilders.
Thus, Resistance is the correct answer.
Answer:
11. Proteins - B. Used to build, maintain and repair cells; help produce
antibodies
6. Water
A. Inorganic molecules found in all body tissues
8. Carbohydrates
C. Major source of energy needed for body functions;
9. Vitamins
D. Organic molecules important for growth and repair;
carry certain vitamins to the cells
10. Minerals
E. Important for regulating body functions: used to build
and repair body tissues
Good conductors of heat- aluminium, Iron, Lithium, Beryllium.
poor conductors- Mercury, Hydrogen, titanium, Chromium