Circulatory System

Question 1

The pumping organ that delivers blood to the different cells of the body through the blood vessels

Answer 1

Heart

Question 2

Transport blood from the heart to the different parts of the body

Answer 2

Arteries

Question 3

Drain blood from the different parts of the body and return it back to the heart for subsequent oxygenation in the lungs

Answer 3

Veins

Question 4

Separates atria into two chambers

Answer 4

Interatrial/Interauricular septum

Question 5

An s-shaped longitudinal fold

Answer 5

Spiral valve

Question 6

Two large vessels divided from the spiral valve

Answer 6

Truncus arteriosus

Question 7

This circulation carries blood between the heart and the lungs, particularly its gas-exchanging tissues

Answer 7

Pulmonary circuit

Question 8

These drain oxygenated blood into the left atrium of the heart

Answer 8

Pulmonary veins

Question 9

This circulation carries blood between the heart and the other parts of the body

Answer 9

Systemic circuit

Question 10

Give way to the flow of blood which comprise the arteries and veins

Answer 10

Blood vessels

Question 11

This system basically includes the interconnecting of the arteries of the circulatory system that supplies blood

Answer 11

Arterial system

Question 12

This is the anterior branch of the truncus arteriosus that supplies blood into the head

Answer 12

Common carotid artery

Question 13

This delivers blood to the muscles of the tongue and the floor of the mouth through its four major branches such as muscular, thyroid, lingual, and sublingual artery

Answer 13

External carotid artery

Question 14

This supplies blood to the upper jaw and cranium

Answer 14

Internal carotid artery

Question 15

This is provided with many branches supplying the choroid plexus of the brain

Answer 15

Cerebral artery

Question 16

It supplies blood towards the ear and extends its branches to the eyelids as temporal artery and to the roof of the mouth as mandibular artery

Answer 16

Lateral petrosal/stapedial artery

Question 17

This branches out to the eye, eye muscles and the eyelids

Answer 17

Ophthalmic artery

Question 18

This extends anterodorsally and posteromedially to unite forming the dorsal aorta

Answer 18

Systemic arch

Question 19

A branch of the systemic arch at the level of the shoulder. This further gives off small branches to the muscles of the shoulder region

Answer 19

Subclavian artery

Question 20

This supplies blood to the larynx and muscles of the jaw

Answer 20

Laryngeal artery

Question 21

This supplies blood to the esophagus

Answer 21

Esophageal artery

Question 22

This is the anterior branch that supplies blood into the jaw, orbit and nose

Answer 22

Occipital artery

Question 23

This is the posterior branch that supplies blood to the vertebral column

Answer 23

Vertebral artery

Question 24

This large unpaired artery is derived just posterior to the union of the systemic arches

Answer 24

Coeliaco-mesenteric artery

Question 25

This is the anterior branch which gives off smaller vessels such as the left and right gastric artery, hepatic artery and pancreatic artery

Answer 25

Coeliac artery

Question 26

This branch off into duodenal artery, intestinal artery, splenic artery and haemorrhoidal artery

Answer 26

Anterior mesenteric artery

Question 27

These are small blood vessels that supply the dorsal surface of the kidneys

Answer 27

Renal arteries

Question 28

This delivers blood to the large intestine. This unpaired artery specifically supplied the posterior region of the rectum

Answer 28

Posterior mesenteric artery

Question 29

These deliver blood to the oviduct

Answer 29

Oviducal arteries

Question 30

These supply blood to the testes and ovaries respectively

Answer 30

Spermatic and ovarian artery

Question 31

This supplies blood to the corpora adiposa

Answer 31

Adiposal artery

Question 32

This originates from the ventral wall of the common iliac artery

Answer 32

Epigastrico-vesical artery

Question 33

This delivers blood to the ventral abdominal wall

Answer 33

Epigastric artery

Question 34

This delivers blood to rectum and urinary bladder

Answer 34

Recto-vesical artery

Question 35

It branches posterior to the epigastrico- vesicular artery. This extends dorsally supplying the skin and muscles of the anterior part of the thigh

Answer 35

Femoral artery

Question 36

It is continuous with common iliac artery and is the major vessel entering the hindlimb

Answer 36

Sciatic artery

Question 37

This is the posterior branch of the truncus arteriosus

Answer 37

Pulmocutaneous artery

Question 38

This delivers deoxygenated blood to the lungs

Answer 38

Pulmonary artery

Question 39

This supplies the skin on the dorsal and lateral body walls. It branches off an auricular artery that supplies the jaw muscles, hyoid muscles and tissues of the lower jaw

Answer 39

Cutaneous artery

Question 40

This system concentrates on the organization of the veins and all that branch off from it

Answer 40

Venous system

Question 41

It is the most anterior branch draining into the precava. It is formed by the union of lingual and mandibular veins

Answer 41

External jugular veins

Question 42

Drains blood from the tongue, hyoid and floor of the mouth

Answer 42

Lingual vein

Question 43

Drains blood from the lower jaw and thyroid gland

Answer 43

Mandibular/Maxillary vein

Question 44

This is the middle branch of the vein, which is formed by the union of the internal jugular vein, and subscapular vein

Answer 44

Innominate vein

Question 45

Accepts many veins draining the palate, brain, orbital, nasal and auditory regions

Answer 45

Internal jugular vein

Question 46

Collects blood coming from the shoulder and forelimbs

Answer 46

Subscapular vein

Question 47

This is the posterior branch of the precava

Answer 47

Subclavian vein

Question 48

Collects blood from the forelimb

Answer 48

Brachial vein

Question 49

Formed by the union of muscular vein from the dorsal and lateral regions of the body wall and by cutaneous vein from the skin of the body wall

Answer 49

Musculo-cutaneous vein

Question 50

This comes near the posterior of the kidney as a result of the fusion of a large renal vein. This vein is also the route of the blood that has been collected from certain organs through the capillaries before it returns to the heart

Answer 50

Postcaval vein

Question 51

It consists of hepatic portal vein and its tributaries: gastric vein, pancreatic vein, splenic vein and intestinal vein

Answer 51

Hepatic portal system

Question 52

It consists of a large, renal portal vein which is formed by the femoral vein, sciatic vein, dorso-lumbar veins and oviducal vein

Answer 52

Renal portal system

Question 53

These vessels collect blood exclusively of red blood cells, which seeps through the walls of the capillaries and return it to the veins

Answer 53

Lymphatic system

Question 54

A series of contractile vesicles where the lymph is pumped throughout the system

Answer 54

Lymph hearts

Question 55

Receives blood from the left atrium. This then bifurcates to become the truncus arteriosus

Answer 55

Conus arteriosus

Question 56

A triangular thin-walled sac which accepts blood from the three caval veins

Answer 56

Sinus venosus