Chapter 4

Question 0

Histology

Answer 0

The study of tissues. Complements the study of gross anatomy

Question 1

Tissues

Answer 1

Groups of cells that are similar in structure and perform a common or related function. Four tissue types interweave to form the fabric of the body. Epithelial, connective, nervous, and muscle tissue

Question 2

Epithelial tissue

Answer 2

Is a sheet of cells that covers a body surface or lines a body cavity. Has many functions such as protection, absorption, filtration, excretion, secretion, and sensory reception

Question 3

Squamous cells

Answer 3

Are flattened and scale like (protect)

Question 4

Cuboidal cells

Answer 4

Are boxlike, approximately as tall as they are wide. (Secrete)

Question 5

Columnar cells

Answer 5

Are tall and column shaped. (Absorb)

Question 6

Connective tissue

Answer 6

Supports and protects. Cartilage, bone, blood, ligaments, and tendons

Question 7

Matrix

Answer 7

Separates living cells of the connective tissue from the nonliving cells

Question 8

Cartilage

Answer 8

Stands up to both tension and compression. Tough but flexible. Lacks nerve fibers and is avascular

Question 9

Not a lot of blood in?

Answer 9

Cartilage, tendon, and ligaments

Question 10

Bone

Answer 10

Support and protect body structures. Provide cavities for storing fat and synthesizing blood cells

Question 11

Blood

Answer 11

Fluid within blood cells. The most atypical connective tissue. Transport vehicle for the body carrying nutrients, wastes, respiratory gases and other substances

Question 12

Tendon

Answer 12

Connects muscle to bone

Question 13

Ligaments

Answer 13

Connects bone to bone

Question 14

Muscle tissues

Answer 14

Highly cellular and vascular. Responsible for most body type movements

Question 15

Skeletal muscle

Answer 15

Are attached to the bones of the skeleton. As they contract they pull on bones or skin, causing body movements.

Question 16

Cardiac muscle

Answer 16

Found only in the walls of the heart. Skeletal and cardiac muscles are striated. Only have one nucleus. Branching cells that fit together tightly at unique junctions called intercalated discs

Question 17

Smooth muscle

Answer 17

No striations. Spindle shaped and have one centrally located nucleus. Found in walls of hollow organs other than the heart. Also found in blood capillaries, and body openings

Question 18

Nervous tissue

Answer 18

Main composed of the nervous system, brain, spinal cord, and nerves. Carries electrical impulses. Contain neurons that are nerve cells that generate and conduct nerve impulses. And contain neuroglias

Question 19

Energy system

Answer 19

Fuel + oxygen- co2 + H2O= energy

Glucose + o2= 6 co2 + 6 H20= 38 energy or ATP

Question 20

Glycolysis

Answer 20

Is an anaerobic system it also takes place in the cell

Question 21

Krebs cycle

Answer 21

(Mitochondria) 34 energy

Question 22

Homeostasis

Answer 22

Is negative feedback