Vocab 1
open sore in the stomach lining
ulcer
digestive juice produced by salivary glands
saliva
substances found in saliva that help break down the food that you eat
enzymes
group of organs that work together to break down foods into substances that your cells can use
digestive system
the process by which the body breaks down food into smaller pieces that can be absorbed by the blood and sent to each cell in your body
digestion
a coiled tube from 20 to 23 feet long in which about 90 percent of digestion takes place
small intestine
digestive gland that secretes a substance called bile, which helps to digest fats
liver
small, saclike organ that stores bile until it is needed in the small intestine
gallbladder
a gland that helps the small intestine by producing pancreatic juice, a blend of enzymes that breaks down proteins, carbs, and fats
pancreas
organs that remove waste material, including salts from the blood
kidneys
the group of organs that work together to remove wastes
a group of cells, or an organ, that secretes a chemical substance
gland
the system of glands throughout the body that regulate body functions
endocrine system
the process by which the body gets energy from food
metabolism
a combination of body defenses made up of cells, tissues, and organs that fight pathogens in the body
immune system
The ability to resist the pathogens that cause a particular disease
immunity
the body's response to injury or disease, resulting in a condition of swelling, pain, heat, and redness
inflammation
Special white blood cells in the lymphatic system
lymphocytes
Substances that send the immune system into action
antigens
Proteins that attach to antigens, keeping them from harming the body
antibodies
a preparation of dead or weakened pathogens that are introduced into the body to cause an immune response
vaccine