Answer:
the awnser is 4.6
Explanation:
4.6 percent of all high school students are current smokers (5.4% of males and 3.9% of females). Source: CDC, 2019 National Youth Tobacco Survey. The 2019 NYTS found that 5.8% of high school students were current smokers (41% for girls, 7.3% for boys). Current smoker defined as having smoked in the past month.
Answer:
false
Explanation:
The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long.
The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus.
Answer:
Regular exercise can boost your immune system and help fight off infections. Exercise allows immune cells to perform effectively — it increases blood flow, reduces stress and inflammation, and can strengthen antibodies.
Explanation:
The toothpaste makes your teeth white because the chemicals
