defense. Over time, this natural defense mechanism strengthens our immune system as our body gradually..., this natural defense mechanism strengthens our immune system as our body gradually learns to fight ……

the same weight as three apples!  There are a lot of immune cells in our body.  TUCHONGThere are a lot of immune cells in our body.  TUCHONG ……

There are a lot of immune cells in our body. TUCHONG  人体内的免疫系统有一个哈密瓜那么重人体内的免疫系统有一个哈密瓜那么重Do you know how much your immune system (免疫系统) weighs?Do you know how much your immune system (免疫 ……

a very strong immune system?When your body can’t tell the difference between healthy cells (细胞...免疫系统越强越好吗？免疫系统越强越好吗？A strong immune system (免疫系统) can keep us from getting sick. But is a strong ……

your immune system.Research shows that vitamin D, made when our skin is exposed to sunlight, plays a key role in activating white blood cells that protect the body from flu, food poisoning and even ……

Winter is the season of flu. Luckily, our body has a powerful immune system (免疫系统). It can fight....  Winter is the season of flu. Luckily, our body has a powerful immune system (免疫 ……

our body. Doctors from New York University recently found it.The interstitium is a network... be found under the skin, between our organs, throughout almost our entire body, according to National ……

人体的免疫系统和菠萝一样重！人体的免疫系统和菠萝一样重！Our immune system (免疫系统) is like a guard (守卫) for our health. It fights...-old kid has 1 trillion such cells. How heavy are they?Our immune system (免疫系统) is like a guard (守卫 ……

the balance and therefore our immune system becomes more sensitive to allergies. It may think that normal... is allergic to something, their immune system (免疫系统) mistakenly believes that this thing is harming ……

that singing is good for your health. It helps with yourimmune system(免疫系统). Your immune system protects your body againstinfections(感染).If you feel stressed, your immune system won't work well. You ……

of our immune system, lymph nodes contain more immune cells that recognize the antigens in vaccines... immune system, lymph nodes contain more immune cells that recognize the antigens in vaccines and start ……

vaccines protect people?When a vaccine goes into our body, our immune system (免疫系统) thinks it is an... a vaccine goes into our body, our immune system (免疫系统) thinks it is an enemy. The immune system practices ……

) itself rapidly – thousands of virus cells quickly spread through the body.The immune (免疫的) system acts.... The immune system now strikes back, and your body creates antibodies (抗体) which stop the virus from ……

of the immune system and are what fight against harmful viruses (病毒). But as we get older, our bodies... shows that their immune (免疫的) systems might play a key role. The immune system is what protects us from ……

the flu escapes our immune system (免疫系统), which may lead to the invention of a new flu vaccine (疫苗... first need know how the immune system works. When viruses (病毒) enter our bodies, they produce antibodies ……