Do sit-ups they are challenging and fun
Answer:
by moistening, heating, and purifying air as it proceeds down the airways
Explanation:
The upper respiratory system support good health by moistening, heating, and purifying air as it proceeds down the airways.
Cell are important to the body because cell are the building blocks of life that help the human body function ex muscle, Skelton eg
Lymphatic tissue. patches are small masses of lymphatic tissue found throughout the ileum region of the small intestine. Also known as aggregated lymphoid nodules, they form an important part of the immune system by monitoring intestinal bacteria populations and preventing the growth of pathogenic bacteria in the intestines.
The answer is number two which is Hyperactivity
