Answer: Mucus traps pathogens and destroys them before they can enter the body.
Explanation:
Mucus is a thick viscous liquid secreted by the mucous membranes typically present in the salivary and nasal glands. The mucous secreted by these glands capture the entering disease causing pathogens inside the body. The minute single celled pathogens get stick to the viscous mucous. The mucous destroys these pathogens and prevents the cause of disease.
Answer:
B nervous, muscular, skeletal
The largest ecosystem on the planet is the ocean system. The correct option in regards to the given question is option "C". It is a known fact that our earth is covered with 70% water and 30% land. On top of that the marine environment covers about 97%. This is the largest ecosystem on our planet.
<span>It is a known fact that our
earth is covered with 70% water and 30% land. On top of that the marine
environment covers about 97%. This is the largest ecosystem on our planet.
The marine world supports a huge amount of life form and there is also the
opinion that the first life could have evolved from this system. </span>
The statement about physical activity and weight loss and maintenance that is most accurate is, option A. Regular physical activity helps control the percentage of body fat in children and adolescents. Regular physical activity should be maintained by all age groups, but each varies on the optimal amount of activity they need.