Question

word bank
skin immunity disease remembers

1. the main function of the immune system is to protect against disease by detecting and destroying pathogens such as viruses and bacteria.
2. the first line of defense includes barriers such as skin, mucus, and acid.
3. the innate immune system is non - specific and does not lead to immunity.
4. the adaptive immune system uses immunity, it remembers pathogens so that the second time a pathogen enters the body, it attacks it more quickly and efficiently.

part ii: digestive system:

1. matching:

a. small intestine this part chews food and mixes it with saliva.
b. esophagus this part churns food and secretes digestive juices.
c. anus most absorption and digestion happens here.
d. mouth this part stores feces.
large intestine this part controls when feces leave the body.
rectum this connects the mouth and stomach.
stomach this part takes water out of the digested food.

Explanation:

1. The immune system protects against diseases by detecting and destroying pathogens. Skin is a first - line defense barrier. Innate immunity is non - specific and doesn't lead to long - term immunity. Adaptive immunity remembers pathogens. For the digestive system, the mouth chews food and mixes it with saliva, the esophagus connects the mouth and stomach, the stomach churns food and secretes digestive juices, the small intestine is where most absorption and digestion occur, the large intestine takes water out of digested food, the rectum stores feces, and the anus controls feces leaving the body.
2. Matching answers are based on the functions of different digestive system parts.

Answer:

1. disease
2. skin
3. immunity
4. remembers

5.
D. mouth - This part chews food and mixes it with saliva.
B. esophagus - This connects the mouth and stomach.
A. small intestine - Most absorption and digestion happens here.
E. large intestine - This part takes water out of the digested food.
F. rectum - This part stores feces.
C. anus - This part controls when feces leave the body.
(stomach - This part churns food and secretes digestive juices)