The ________ Defends Against Disease by Identifying and Killing Pathogens

question 21

Multiple Choice

The ________ defends against disease by identifying and killing pathogens and tumor cells.

• A)circulatory system
• B)endocrine system
• C)nervous system
• D)immune system

---

Definitions:

Mean

The mean value of a collection of numbers, determined by adding all the numbers together and then dividing that total by the quantity of numbers in the collection.

Salaries

Fixed regular payments made by employers to employees, typically on a monthly or biweekly basis, in exchange for their work or services.

Ethical Treatment

The provision of humane and morally appropriate care or handling, often discussed in the context of animals or patients.

Animals

Animals are multicellular, eukaryotic organisms in the kingdom Animalia that breathe oxygen and consume organic material.