Chapter 3 (Digestive, Circulatory, and Reproductive system)

Question 1

is used in grasping the food which is then propelled backward to the esophagus where it is carried by peristalsis, aided by gravity, down to the crop.

Answer 1

Beak

Question 2

Flexible tube that connects mouth to the crop.

Answer 2

ESOPHAGUS

Question 3

Moisten and temporary storage

Answer 3

CROP

Question 4

“STOMACH OF THE BIRD” Uses acids and
digestive enzymes to breakdown food

Answer 4

PROVENTRICULUS

Question 5

Like “TEETH”, It mechanically grinds up food particles.

Answer 5

GIZZARD / VENTRICULUS

Question 6

Three sections: Duodenum, Ileum, Jejunum
Functions: absorption of nutrients from the food

Answer 6

SMALL INTESTINE

Question 7

Fermentation of any left-over food particles/ water absorption

Answer 7

Ceca

Question 8

Site for further water absorption

Answer 8

Large Intestine (Colon)

Question 9

Also known as the “vestibule”
Function: responsible for expulsion of feces and urine through the vent.

Answer 9

Cloaca

Question 10

*Multi-lobed organ
*Functions: produce bile to digest fats (stored
in gall bladder), store fat and fat-soluble vitamins

Answer 10

Liver

Question 11

pumps blood throughout the body to deliver oxygen and nutrients to tissues and to remove Carbon dioxide and metabolic waste from tissues.

Answer 11

Heart

Question 11

Produces insulin, useful in carbohydrate digestion.

Answer 11

PANCREAS

Question 11

has a normal fat structure that may show changes in quantity and appearance when a systemic disease occurs.

Answer 11

Heart’s coronary band

Question 11

is the thin membrane that encloses the heart, and that they heart normally has a small deposit of fat at the tip as well as around the coronary band.

Answer 11

Pericardial sac

Question 12

Composed of arteries, arterioles, capillaries, and veins

Answer 12

Blood vessels

Question 13

carries blood from heart and to the rest of the body

Answer 13

Arteries

Question 14

directs blood certain tissues of the body

Answer 14

Arterioles

Question 15

site of exchange between blood and tissues.

Answer 15

Capillaries

Question 16

brings oxygenated blood back to the heart

Answer 16

Veins

Question 17

Components of Blood

Answer 17

White Blood cells (Erythrocyte)
Red Blood cells (Leukocyte)
Plasma (Thrombocyte)

Question 18

consist of two testicles (gonads) located in the dorsal area of the body cavity, just in front of the kidneys

Answer 18

Male reproductive system

Question 19

– deliver semen from the testes to the phallus

Answer 19

DUCTUS DEFERENS

Question 20

– poultry have no external phallus but have internal protuberance

Answer 20

RUDIMENTARY PHALLUS

Question 21

________ of males for meat production has been done surgically and by use of estrogens.

Answer 21

Caponizing

Question 22

consist of only one ovary (left ovary) and an oviduct.

Answer 22

Female reproductive system

Question 23

is located high in the abdominal cavity ventral to the kidney, and in mature hen consist of a cluster of thousands of follicles.

Answer 23

Ovary

Question 24

is a large convoluted tube about 70 cm in length on the left side of the cloaca at the bottom and terminating at the anterior in a funnel-like structure called the _________ immediately ventral to the ovary

Answer 24

Oviduct - infundibulum

Question 25

From the Latin ovarium means

Answer 25

egg holder

Question 26

It is contained in a thin envelope of the ovary called follicle. Concurrent with egg development is the deposition of yellow and white granules.

Answer 26

Ovum

Question 27

When the yolk is fully formed the follicle that houses it ruptures along the streak (a nonvascular suture line) called the ____.

Answer 27

stigma

Question 28

It should be noted that there is no ___ in the reproductive system of birds

Answer 28

Cervix

Question 29

(Latin for common sewer), which contains openings for the reproductive, digestive and urinary tracts

Answer 29

Cloaca

Question 33

Catches ovum, sperm storage & fertilization

Answer 33

Infundibulum

Question 34

Secretes albumen; (longest part of the tract)

Answer 34

Magnum

Question 35

Forms the shell membranes; (composed of keratin)

Answer 35

Isthmus

Question 36

Plumps the egg by water transfer and secretes the shell; chalazae develops here; sperm storage

Answer 36

Shell gland or uterus

Question 37

Secretes mucus (cuticle); expels egg

Answer 37

Vagina

Question 38

is influenced by contractions of an empty crop, an empty rectum and cold and visual stimuli such as the sight of food

Answer 38

Appetite

Question 39

• Made up of organs concerned with: feed ingestion, storage, digestion, and excretion of waste product. It consists of the alimentary tract and its accessory organs, the liver and pancreas.

Answer 39

DIGESTIVE SYSTEM

Question 40

is subdivided into: mouth, esophagus, crop, proventriculus, gizzard, small intestine, ceca, large intestine, cloca and vent

Answer 40

Alimentary tract

Question 41

in chickens has been prohibited in many countries because of undesirable effects when offal from these birds is fed to other livestock, and because of public health considerations

Answer 41

Estrogen implantation