Chapter 4 Pt. 3

Question 1

What are the three types of muscle tissue?

Answer 1

1) Skeletal Muscle Tissue
2) Cardiac Muscle Tissue
3) Smooth Muscle Tissue

Question 2

________ Muscle Tissue-usually attached to bones

Answer 2

Skeletal

Question 3

________ Muscle Tissue- found only in the walls of the heart, where its contractions are responsible for pumping blood to the rest of the body

Answer 3

Cardiac

Question 4

_______ Muscle Tissue- found in the walls of blood vessels and airways, where its contraction reduces the flow of blood or air

Answer 4

Smooth

Question 5

Is Skeletal Muscle Tissue voluntary or involuntary?

Answer 5

voluntary

Question 6

Is Cardiac Muscle Tissue voluntary or involuntary?

Answer 6

involuntary

Question 7

What type of muscle tissue is this: long, cylindrical cells; multiple nuclei per cell; obvious striations

Answer 7

Skeletal Muscle Tissue

Question 8

What type of muscle tissue is this: branching, striated cells; one nucleus; specialized junctions between cells

Answer 8

Cardiac Muscle Tissue

Question 9

What type of muscle tissue is this: cells taper at each end; single nucleus; arranged in sheets; no striations

Answer 9

Smooth Muscle Tissue

Question 10

Where is Skeletal Muscle Tissue located?

Answer 10

muscles attached to bones

Question 11

Where is Cardiac Muscle Tissue located?

Answer 11

wall of heart

Question 12

Where is Smooth Muscle Tissue located?

Answer 12

walls of digestive system, blood vessels, and tubules of urinary system

Question 13

What is the function(s) of Skeletal Muscle Tissue?

Answer 13

provides voluntary movement

Question 14

What is the function(s) of Cardiac Muscle Tissue?

Answer 14

contracts and propels blood through the circulatory system

Question 15

What is the function(s) of Smooth Muscle Tissue?

Answer 15

propels substances or objects through internal passageways

Question 16

What are the two general cell types of the nervous tissue?

Answer 16

1) neurons

2) neuroglia

Question 17

_______- generate and conduct nerve impulses, which they conduct to other neurons, muscle cells, or glands

Answer 17

neurons

Question 18

What are the 3 parts of a neuron?

Answer 18

1) Cell Body
2) Dendrites
3) Axon

Question 19

What does the cell body do in the neuron?

Answer 19

houses the nucleus and most organelles

Question 20

What do the dendrites do in the neuron?

Answer 20

highly branched processes that provide a large surface area for the reception of signals from other neurons

Question 21

What does the axon do in the neuron?

Answer 21

a long extension the usually conducts impulses away from the cell body

Question 22

What is a neuroglia?

Answer 22

support, insulate, and protect neurons

Question 23

neuroglia is also known as _____ cells

Answer 23

glial

Question 24

neuroglia (or glial cells) communicate with other _____ cells and with _______

Answer 24

glial

neurons

Question 25

True or False: neuroglia (or glial cells) decrease the rate at which impulses are conducted by neurons

Answer 25

False; neuroglia (or glial cells) increase the rate at which impulses are conducted by neurons

Question 26

_________ (or ____ ____) provide neurons with nutrients from nearby blood vessels

Answer 26

neuroglia (glial cells)

Question 27

What are the different types of cell junctions?

Answer 27

1) Tight Junctions 2) Adhesion Junctions 3) Gap Junctions

Question 28

Which type of junction is this: creates an impermeable junction that prevents the exchange of materials between cells

Answer 28

Tight Junctions

Question 29

Which type of junction is this: found between epithelial cells of the digestive tract, where they prevent digestive enzymes and microorganisms from entering the blood

Answer 29

Tight Junctions

Question 30

Which type of junction is this: holds cells together despite stretching

Answer 30

Adhesion Junctions

Question 31

Which type of junction is this: found in tissues that are often stretched, such as the skin and the openings of the uterus

Answer 31

Adhesion Junctions

Question 32

Which type of junction is this: allows cells to communicate by allowing small molecules and ions to pass from cell to cell

Answer 32

Gap Junctions

Question 33

Which type of junction is this: found in epithelia in which the movement of ions coordinates functions, such as the beating of cilia; found in excitable tissue such as heart and smooth muscle

Answer 33

Gap Junctions

Question 34

What is an organ?

Answer 34

a structure composed of 2 or more different tissues that work together to perform a specific function

Question 35

What is an organ system?

Answer 35

a group of organs with a common function

Question 36

What are the 2 important functions of cavities?

Answer 36

1) they help protect the vital organs from being damaged when we walk or jump 2) they allow organs to slide past one another and change shape

Question 37

What are the two main body cavities?

Answer 37

1) Ventral (towards the abdomen) | 2) Dorsal (towards the back)

Question 38

What are the two types of cavities within the ventral cavity?

Answer 38

1) thoracic (chest) cavity | 2) abdominal cavity

Question 39

What are the two types of cavities within the thoracic (chest) cavity?

Answer 39

1) pleural cavities | 2) peri cardinal cavity

Question 40

_______ cavities- which houses the lungs

Answer 40

pleural

Question 41

____ _______ cavity-which holds the heart

Answer 41

peri cardinal

Question 42

_________ cavity- contains the digestive system, urinary system, and the reproductive system

Answer 42

abdominal

Question 43

abdominal cavity- contains the _________ system, _______ system, and the ___________ system

Answer 43

digestive urinary reproductive

Question 44

thoracic and abdominal cavity are separated by the __________

Answer 44

diaphragm

Question 45

What are the two types of cavities within the dorsal cavity?

Answer 45

1) cranial cavity | 2) spinal cavity

Question 46

_______ cavity- encloses the brain

Answer 46

cranial

Question 47

______ cavity- houses the spinal cord

Answer 47

spinal

Question 48

Both cavities and organ surfaces are covered with ____________ (sheets of epithelium supported by connective tissue)

Answer 48

membranes