By contracting, muscles pull on bones and allow the body to move. Muscles can only contract. They cannot actively extend, though they can move or relax back into the non-contracted neutral position. Therefore, to move bones in opposite directions, pairs of muscles must work in opposition
Experts agree that breast milk is the best nutrition for a newborn baby. Breast milk is the best source of nutrition for babies during the first 6 months, which contains immunity-boosting antibodies and healthy enzymes that scientists have yet to replicate. There are also long-lasting benefits of breastfeeding for both the mother and the baby.
Answer:
none of the above
Explanation:
stress affects every part of the human body in some way
Answer:
I would guess the last one as it makes the most sense.
Explanation:
Answer:
To reduce the exposure to air pollution, indoor and outdoor one can check the quality of air at his location. To reduce inside or indoor one should clean the house frequently to avoid the growth of mold or prevent dust in the house.
For outdoor, using cars, bikes, and other fuel-based transport vehicles can lead to an increase in air pollution so one should use walking or mechanical transport means. Industrialized chimneys produce harmful carbon and nitrogen gases which should be limited to reduce.
