Chp 21
What is NOT a four major category of tissue?
blood
Bone is a type of ________
connective tissue
A(n) __________ is a group of tissues working together
organ
Multiple organs that work together are called a(n) _______
organ system
____________ are groups of several organs that work together to perform the functions of the body
organ system
What level of structure encompasses all the others?
organism
______ are usually composed of several types of tissues that together perform a specific task
organs
A(n) __________ is made up of many organ systems functioning together
organsim
_______ is the study of how an organisms structures function
physiology
What is an example of thermoregulation in ectotherms
sitting on a hot rock to absorb its warmth
What tissues produces voluntary body movements?
skeletal muscle
When body temperature is too low, what occurs
Blood vessel in the skin constrict
What is most likely to be responsible if, when your blood sugar level rose, the level went back down?
a homeostatic mechanism based on negative feedback
Which one of the following types of tissues stores fat in the body?
adipose tissue
_______ is the study of an organism's structure
anatomy
A main function of most types of epithelial tissues is ________
covering surfaces
Compact, complex animals have specialized internal ________ that provide a large surface area
exchange surfaces
Which process describes the forcing of water and other small molecules from the blood into a kidney tubule?
filtration
A physiologist is a biologist who studies the __________
function of body parts
_________ is the regulation of internal conditions within a range that supports life's processes
homeostasis
__________ is the regulated balance of the internal environment of an organism
homeostasis
What is a physiological response that takes place in many animals when they get too hot?
increased blood flow to the skin
The protective covering of the body is called the ______________
integumentary system
Homeostasis _________
is the maintenance of a relatively stable internal environment
Most of the control mechanisms that maintain an internal steady state are based on ________, in which a change in a variable triggers mechanisms that reverse that change
negative feedback
Which type of tissue forms an electrical communication system within the body?
nervous
The four major categories of tissues are _________
nervous, epithelial, connective, and muscle
The basic unit of nervous tissue is the ______
neuron
What correctly pairs a tissue and its function?
smooth muscle; contractions of the digestive tract to move food
a group of cells working together is a(n) __________
tissue
In animals, individual cells are grouped into _______
tissues
_______ are a group of cells with a common structure and function
tissues
