Answer:
A. contracting muscle fibers.
C. burning calories
Explanation:
Isometric exercises are the exercises which cause the contraction of muscles only but not to change the length and joint of the muscles. It builds and maintain strength of the body and also helps in burning of calories as a result loosing of weight occur. This exercise burns about two to five calories per minute and boost your metabolism which leads to lower weight.
A lymphatic organ that helps develop the immune system is the thymus gland.
The answer would be B or D but i'm pretty sure it's B
By definition, Resistance Training is another term for exercising your muscles using an opposing force. So, if you'd like <span> to do resistance training at home, the one that would be your best purchase option is the use of hand weights. The correct answer for this would be option D. Hope this answer helps.</span>
Answer:
appendicitis is one of the most common causes
Explanation:
