Lab test 2 study part 2

Question 1

(Squamous Epithelium) Cells very ___, much ___ than they are thick (like a fried egg)

Answer 1

thin, wider

Question 2

(Squamous Epithelium)

Simple Squamous Epithelium examples:

Answer 2

• Air sacs of respiratory system - Lining of blood vessels, heart and lymphatic tubes

Question 3

(Squamous Epithelium)

Stratified Squamous Epithelium examples:

Answer 3

Skin Vagina Esophagus Mouth

Question 4

(Cuboidal Epithelium)

Cells cube shaped- ___ and ___

examples

Answer 4

secretion, absorption

• Kidney tubules
• Duct and small glands
• Surface of ovary

Question 5

(Columnar Epithelium)

___cells, much longer than they are wide

Answer 5

Elongated

Question 6

(Columnar Epithelium)

Simple Columnar Epithelium

A single layer of cells that function in ___ and ___

Found in the ___ and ___ tract

Answer 6

absorption, secretion

digestive

respiratory

May be ciliated or nonciliated

Cilia move mucus, debris and foreign up away from lungs up toward throat

Question 7

Loose Connective Tissue (Areolar)

• Lots of ___ between cells and fibers
• ___ and protects organs
• Collagen and elastic fibers run in many directions

Answer 7

space

Cushions

Question 8

(Dense Fibrous Connective Tissue)

___ closely packed together

Dense regular connective tissue – fibers run in___

examples : ___ and ligaments

Fibers mostly ___ (appear white)

Answer 8

Fibers

one direction

Tendons

collagen

Question 9

Adipose

Stores ___

___ = fat cells

Closely packed cells

Cell nuclei are ___

Stores ___ , supports and protects organs, insulates

Answer 9

fat (lipids)

Adipocytes

pushed out to edge of cell

energy

Question 10

(Cartilage)

Contains ___ -like matrix

Cartilage cells = ___

Enclosed within a space called a ___ within the matrix

Avascular

Answer 10

gel

chondrocytes

lacuna

Question 11

(Cartilage)

Hyaline Cartilage (most common type)

• Costal cartilage (___)
• Articular cartilage (___)
• Fetal skeleton

Answer 11

joins ribs to sternum

end of bones in a joint

Question 12

(Bone)

Matrix is ___ (from deposits of calcium and phosphate salts)

Has ___ supply and ___ (cartilage doesn’t)

Bone cells = ___ (small black cells)

Lucunae are connected by channels called canaliculi (fine dark lines)

Answer 12

Solid

blood, nerves

osteocytes

Question 13

Blood

Liquid matrix =___

___ = (Red blood cells)

___ = (white blood cells)

___ - blood clotting

(Blood)

blood performs what two functions?

Answer 13

plasma

Erythrocytes

Leukocytes

Thrombocytes (platelets)

Transports:

• Oxygen and nutrients to tissues
• Carbon dioxide away from tissues
• Hormones

Fights disease

Question 14

(Muscle Tissue)

Skeletal Muscle (___, ___)

• Parallel elongated cells (fibers)
• multinucleated and each cell is the length of the muscle.

Answer 14

Striated, voluntary

Question 15

(Muscle Tissue)

Smooth Muscle (___, ___)

• Cells are spindle-shaped with a central nuclei
• Organized into sheets of muscle
• Found in walls of hollow organs

Answer 15

Not striated, involuntary

Question 16

(Muscle Tissue)

Cardiac Muscle (___, ___)

• In walls of heart
• Intercalated discs join cardiac muscle cells
• branched

Answer 16

Striated, Involuntary