Circulatory system 1 and 2

Question 1

Blood vessels Layers

Answer 1

Tunica externa
Tunica media
Tunica intima

Question 2

Classes of Blood Vessels

Answer 2

1. Arteries
2. arterioles
3. Capillaries
4. Venules
5. Viens

Question 3

Circulation routes

Answer 3

• Pulmonary circulation
• Systemic circulation

Question 4

Pulmonary Circulation

Answer 4

Carries oxygen-poorblood from right ventricle to the air sacs of the lungs (only artery after birth to carry oxygen-poor blood)

–Returns oxygen-richblood to left atrium (only vein after birth to carry oxygen-rich blood)

Question 5

Systemic circulation

Answer 5

-Carries oxygen-richblood from the left ventricle to systemic capillaries throughout the body (except to air sacs of lungs)

–Returns oxygen-poorblood to right atrium

Question 6

3 parts of aorta

Answer 6

-ascending aorta
-arch of aorta
-descending aorta

Question 7

Arches Posteriorly

Answer 7

and to left laterally over the bifurcation of the pulmonary trunk

Question 8

Desends into Posterior

Answer 8

Mediastinum on the left of the midline towards the diaphram at t 12

Question 9

Unpaired Visceral Branches of abdominal aorta

Answer 9

Supply organs in the git
Divides into
-left gastric artery
- splenic
commen hepatic artery

Question 10

5 Paired branches

Answer 10

1. inferior Pherenic
2. Suprarenal
3. Renal
4. Glondal
5. Lumbar

Question 11

Inferior phernic arteries

Answer 11

diaphram and oesophagus

Question 12

Suprarenal arteries

Answer 12

adrenal glans

Question 13

Renal arteries

Answer 13

Kidneys

Question 14

Gonadal arteries

Answer 14

testes or overies

Question 15

Lumbar arteries

Answer 15

vertebrae, spinal cord and adominal wall

Question 16

Common Illiac divison

Answer 16

External
internal

Question 17

Externail Iliac

Answer 17

becomes femoral artery after passing deep to inguinal ligamnet and entering the thigh

Question 18

Internal iliac

Answer 18

Supplies the internal structures of the pelvis and admominal wall