Chp 21

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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


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