Three pairs of salivary glands, saliva mouth during speech and chewing and so it can be swallowed easily. salvia also contains an enzyme begins the chemical breakdown the food is chewed and mixed with saliva, it is called a/

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

Physical characteristics of down syndrome

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.