Ch2- 3 Physiology

Question 1

5 types of epithelial

Answer 1

Exchange- allows movement between cells
Protective - skin

Ciliated
Secretory
Transport

Question 2

Three functional categories of cell junctions

Answer 2

Gap- communication

Tight junction- occluding

Desmosose- cell to cell anchoring

Question 3

Major body cavities

Answer 3

Cranial
Thoracic
Abdominopelvic

Question 4

2 parts to ecf

Answer 4

Plasma

Interstitial

Question 5

Cell membrane function

Answer 5

Physical isolation
Regulate exchange w environment
Communication
Structural support

Question 6

Membranes are made of

Answer 6

Lipids and proteins

Question 7

Three lipids that create hydrophobic barrier

Answer 7

Phospholipids
Sphingolipids
Cholesterol

Question 8

Micelles

Answer 8

Single layer of phospholipids arranged so that the interior is filled with hydrophobic fatty acid tails.
Important in digestion of fats

Question 9

Types of proteins

Answer 9

Integral- bound to membrane
Peripheral- attached to other membrane proteins

Transmembrane -extend all the way across membrane

Question 10

Cytosol

Answer 10

ICF, semi gelatinous fluid. Contains dissolved nutrients and proteins ions and waste.

Question 11

Mitrochondria

Answer 11

Double walled two compartments.plays a part in ATP production
Uses hydrogen for energy

Question 12

Golgi apparatus

Answer 12

Protein modification.

Cisternae

Question 13

Endoplasmic reticulum

Answer 13

Interconnected membrane tubes

Rough- has ribosomes

Smooth- synthesis of lipids

Question 14

Systems of body

Answer 14

Respiratory
Digestion
Circulation
Endocrine
Nervous
Immune
Urinary

Question 15

Ecf is high in–

ICF is high in–

Answer 15

Sodium

Potassium

Question 16

Nuclelolous

Answer 16

Synthesis of RNA