Respiratory system and Urinary System

Question 1

Ventilation

Answer 1

movement of air into and out of lungs(breathing)

Question 2

External Respiration

Answer 2

gas exchange between the blood and air in the lungs

Question 3

Gas transport

Answer 3

in blood between the lungs and body cells

Question 4

types of mechanical digestion

Answer 4

Chemical and Mechanical

Question 5

what is mechanical digestion

Answer 5

large pieces into smaller pieces- does not change the chemical compound

Question 6

what is chemical digestion

Answer 6

breaks food into simpler chemicals

Question 7

wall structure of the alimentary canal

Answer 7

4 layers

Question 8

Mucosa (Inner) layer

Answer 8

-Surface epithelium, connective tissue, and a little smooth muscle
-In some areas it is folded over to increase surface area - called lumen
-Contains glands that secrete mucus and digestive enzymes
-Protects underlying tissues and carries out secretion and absorption

Question 9

what are the four layers of the alimentary canal

Answer 9

Mucosa(inner)
Submucosa
Muscular Layer
Serosa(outer)

Question 10

Submucosa

Answer 10

-Loose connective tissue, glands, blood vessels, lymphatic vessels, and nerves
-Nourishes surrounding tissues and carries away absorbed materials

Question 11

Muscular layer

Answer 11

-2 coats of smooth muscle tissue, some nerves
-Controls the shape of the tube as when circular fibers contract the diameter decreases, and when the longitudinal fibers contract the tube shortens

Question 12

Serosa (outer)

Answer 12

-Serous layer
-Protects underlying tissue, secrete serous fluid to moisten and lubricate the tubes outer surface so that the organs can move freely

Question 13

Cheeks are…

Answer 13

outer layers of skin with subcutaneous fat
Help with expressions, chewing, and maintaining a moist inner liner

Question 14

Lips are…

Answer 14

highly mobile
Have skeletal and sensory receptors
Used to sense the temperature and texture of foods