It's important to use condoms to help reduce the spread of STI (sexually transmitted infections). These infections include HIV (Human Immunodeficiency Virus), chlamydia, genital herpes, genital warts, gonorrhea, hepatitis B, and syphilis.
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.
I think that nerve tissue is brain, epithelial is skin, muscle is intestines and connective is body joints :)
