Answer:
The correct answer is- b. P: coughing; C: saliva; B: complement system
Explanation:
Body show physical, chemical and immunological response against foreign antigen to protect the body from them. Coughing, sneezing, skin, respiratory tract, gastrointestinal tract comes under physical barrier. They restrict the bacteria to get into the body.
Chemical barrier includes saliva, tear, sweat, mucus that helps in killing the pathogen at the outer body surface. Antibodies, immune cells, complement system comes under immune response which helps in destroying the pathogen which are present in the body.
Answer:
What structure? Tell me and I'll come back and edit this answer to help!
Explanation:
Plant cells are what build/make-up the plants although the main purpose is Photosynthesis
Photosynthesis happens in the Chloroplasts of the plant cell and it is the process that plants get food, by taking advantage of Sunlight, Carbon Dioxide, and Water
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Question 2 is false because it is always opposite.
Question 3 Ionic charge in which valence electrons are lost from one atom and gained by another one hoped it helped.
Producers. If we didn’t have producers we wouldn’t have all the other layers of our food chain