7.4- Homeostasis and Cells Flashcards Preview

Chapter 7- Cell Structure and Function > 7.4- Homeostasis and Cells > Flashcards

Flashcards in 7.4- Homeostasis and Cells Deck (7)
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1
Q

What is homeostasis?

A

relatively constant internal physical and chemical conditions

2
Q

What is tissue?

A

a group of similar cells that performs a particular function

3
Q

What is an organ?

A

groups of tissues that work together (example- individual muscles)

4
Q

What is an organ system?

A

a group of organs that work together to perform a specific function (example- stomach, pancreas, and intestines work together as the digestive system)

5
Q

What is a receptor?

A

area which “receives” a specific chemical signal either on the outside of the cell membrane or inside the cytoplasm

6
Q

How do individual cells maintain homeostasis?

A

to maintain homeostasis, unicellular organisms grow, respond to their environment, transform energy, and reproduce.

7
Q

How do the cells of multicellular organisms work together to maintain homeostasis?

A

the cells of multicellular organisms become specialized for particular tasks and communicate with one another to maintain homeostasis.