口水超“能干”！口水超“能干”！When you use your saliva (唾液) to clean ink and pen marks on a desk, your parents may think that’s gross (恶心的). But in fact, human saliva is a special cleaning helper, scientists say ……

Look at this battery. You can charge (充电) it with water, beer, juice, and even saliva (唾液)! ……

人类每天分泌多少唾液？Each of us makes about 1 to 2 liters (升) of saliva (唾液) or spit every day. That’s about three to six bottles of water! We make saliva all the time, whether we’re smelling something tasty ……

为什么口水永远咽不完？为什么口水永远咽不完？That’s because there are glands (腺体) in our mouths. They make saliva (唾液) day and night. We make about one to two liters (升) of saliva every day. That’s about two to four ……

SMOKING turns one's saliva (watery liquid in the mouth) into a substance that increases the risk... Medical Center in Israel.Researchers found that tobacco smoke breaks down parts of saliva that are meant ……

easy exercise, walking is good for you. ----------------------------So much saliva人类每天分泌多少唾液？A person makes about 1 to 2 liters (升) of saliva (唾液) every day. That’s about three to six bottles ……

on the blackboard: “Please collect your saliva (唾液). We will do an experiment in the afternoon.” I was very curious. Why did we need to collect saliva? What would it be used for?After four ……

mouth, saliva (唾液) makes the bubbles break. Gas runs out of the bubbles and makes a popping sound.There are very small gas bubbles inside the candy. When you put the candy in your mouth, saliva (唾液 ……

the answer:Choose the answer:1. What are VSCs?1. What are VSCs?A. A part of saliva.         B. Smelly gases.A. A part of saliva.         B. Smelly gases.C ……

there are no bacteria in saliva.A. Because there are no bacteria in saliva.B. Because protein smells bad in the air.B. Because protein smells bad in the air.C. Because smelly gases in saliva come out.C. Because ……

saliva (口水). Saliva is 99.5 percent water and 0.5 percent other things like protein (蛋白质) and minerals (矿物质). When some bacteria (细菌) come into your mouth, they break down some protein in your saliva ……

no smell, but some smell bad. Why? In fact, the thing we sneeze out is mostly our saliva (口水). Saliva is 99.5 percent water and 0.5 percent other things like protein (蛋白质). When some bacteria (细菌 ……

saliva (口水) on it. The saliva quickly turns to ice because of the coldness. The ice freezes (冻住 ……

saliva (口水) on it. The saliva quickly turns to ice because of the coldness. The ice freezes (冻住 ……

!Why do we have saliva all the time?Why do we have saliva all the time?为什么口水永远咽不完？为什么口水永远咽不完？There are glands (腺体) in our mouths. They make saliva (唾液) day and night. We make about 1 to 2 liters (升 ……