Chapter 4 Flashcards
In multicellular organisms…
cells have specialized functions
Tissues
groups of cells with a common function
4 main tissue types
epithelial, connective, muscle, nervous
Organs and organ systems…
each perform one or more essential complex functions for the organism.
How many organ systems do humans have?
11
Multicellular organisms must maintain…
homeostasis.
Homeostasis is maintained…
by negative feedback control systems
In negative feedback systems…
any deviation from the desired condition is detected and corrected.
Tissues
grounds of specialized cells that are similar in structure and that perform common functions
Advantages to multicellularity
greater size, the ability to seek out or maintain an environment conducive to life.
epithelial tissues
cover body surfaces and cavities
