BIO 118: Heart & Circulation Lab

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Which chamber:

• Receives blood from body, right auricle (flap)

Right atrium

Which chamber:

• Receives blood from lungs, left auricle (flap)

Left atrium

Which chamber:

• Pumps blood into body into lungs

• Returning blood → pump to lungs

Right ventricle

Which chamber:

• Pumps blood into body

• Send blood → pump to body

Left ventricle

What separates the ventricles?

Interventricular septum

What separates the atria?

Interatrial septum

Which tissue of heart:

• Lines inner surface of heart (same as arteries and veins)

Endocardium

Which tissue of heart:

• Middle layer, muscular wall of heart (cardiac muscle tissue)

Myocardium

Which tissue of heart:

• Lines outer surface of heart (visceral)

Epicardium

Which tissue of heart:

• Space between epi and peri (serous fluid & pericardial fluid)

Pericardial cavity

Which tissue of heart:

• Lines outside of pericardial cavity (parietal)

Pericardium

Which vessel of heart:

• Empties upper body into right atrium

Superior vena cava

Which vessel of heart:

• Empties lower body into right atrium

Inferior vena cava

Which vessel of heart:

• Blood enters from right ventricle

Pulmonary trunk

Which vessel of heart:

• Branches off from trunk → carries blood to lungs

Right & left pulmonary arteries

Which vessel of heart:

• Drain blood from lungs into left atrium

Right & left pulmonary veins

Which vessel of heart:

• Enters from left ventricle → ascending aorta → aortic arch

Aorta & aortic arch

Which vessel of heart:

• Lets blood pass from pulmonary trunk to aorta

Ductus Arteriosus (ligamentum arteriosum)

Which vessel of heart:

• Allows blood to pass from right atrium to left atrium

Foramen ovale

Which valve of heart:

• Between right atrium and right ventricle

Tricuspid valve

Which valve of heart:

• Between left atrium and left ventricle

Bicuspid (mitral) valve

Which valve of heart:

• Fine cords that anchor to cusps

• Inside left ventricle

Chordae tendineae

Which valve of heart:

• Pull on Chordae to prevent cusps from pushing back into atrium

• Prevent aversion of valves

Papillary muscles

Which valve of heart:

• Between right ventricle and pulmonary trunk

Pulmonary semilunar valve

Which valve of heart:

• Between left ventricle and aorta

Aortic semilunar valve

Which heart circulation:

• Feeds off of the aorta

• On left side of heart

Left coronary artery

Which heart circulation:

• From left coronary artery, around heart in left AV sulcus

Circumflex artery

Which heart circulation:

• From left coronary artery down anterior interventricular sulcus

Anterior interventricular artery

Which heart circulation:

• Feeds off the aorta, lies in the right AV sulcus

Right coronary artery

Which heart circulation:

• From right coronary artery feeds ventricles

Posterior interventricular artery

Which heart circulation:

• First branch off right coronary artery

Right Marginal artery

Which heart circulation:

• All coronary veins dump into sinus, lies in AV sulcus

Coronary sinus and opening

Which heart circulation:

• Parallels anterior interventricular artery

• Come in from left side

• Larger than small cardiac vein

Great cardiac vein

Which heart circulation:

• Parallels right marginal artery

Small cardiac vein

Which heart circulation:

• Parallels posterior interventricular artery

Middle cardiac vein

Which heart circulation:

• Parallels circumflex artery

• On left posterior side of heart

Left posterior ventricle vein

Which part of the conduction system is this?

Sinoatrial (SA) node

Which part of the conduction system is this?

Atrioventricular (AV) node

Which part of the conduction system is this?

Atrioventricular (AV) bundle

Which part of the conduction system is this?

Bundle branches (L&R)

Which part of the conduction system is this?

Purkinje fibers

Which arteries:

• Middle of chest, behind the sternum

• Anterior to left atrium

Ascending Aorta artery

Which arteries:

• Base of neck, just beneath the left collarbone (clavicle)

• Lateral to left common carotid

Left Subclavian artery

Which arteries:

• Top of aorta arch, beside trachea

• Medial to left subclavian

Left Common Carotid artery

Which arteries:

• Extends from aorta arch

• Inferior to right common carotid & right subclavian

Brachiocephalic artery

Which arteries:

• Branch off from brachiocephalic

• Lateral to trachea

• Medial to right subclavian artery

Right Common Carotid artery

Which arteries:

• Branch off from brachiocephalic

• Lateral to right common carotid

Right Subclavian artery

Which arteries:

• Branch off from subclavian (L&R) artery

• Superior to subclavian (L&R) artery

Vertebral (L&R) artery

Which arteries:

• Extends from subclavian artery

• Located in armpit region

Axillary (L&R) artery

Which arteries:

• Runs medially to biceps brachii

• Extends from axillary artery

Branchial (L&R) artery

Which arteries:

• On thumb side

Radial (L&R) artery

Which arteries:

• On pinky side

Ulnar (L&R) artery

Which arteries:

• Arch of arteries in palm of hand

Palmar Arches (L&R) artery

Which arteries:

• Extends from ascending aorta

• Inferior to heart

Descending Aorta artery

Which arteries:

• Extends from descending aorta

• Pass through diaphragm and into abdominal cavity

Abdominal Aorta artery

Which arteries:

• On anterior surface of abdominal aorta

• Split into left gastric, hepatic, and splenic artery

Celiac Trunk artery

Which arteries:

• Branch off from celiac trunk, goes left

• Superior & medial to splenic artery

Left Gastric artery

Which arteries:

• Branch off from celiac trunk, goes right

• Inferior to left gastric artery

Hepatic artery

Which arteries:

• Branch off from celiac trunk, goes left

• Inferior & lateral to left gastric artery

Splenic artery

Which arteries:

• On anterior surface of abdominal aorta

• Inferior to celiac trunk

Superior Mesenteric artery

Which arteries:

• Extends from abdominal aorta

• Attached on top of kidney

• Looks like plankton’s eyebrow

Suprarenal (L&R) artery

Which arteries:

• Inside the kidneys

Renal (L&R) artery

Which arteries:

• Inferior to abdominal aorta, splits off to left & right

• Supplies the testes/ovaries

Gonadal (L&R) artery

Which arteries:

• Superior to common iliac (L&R) artery

Inferior Mesenteric artery

Which arteries:

• Inferior to abdominal aorta & inferior mesenteric artery

• Branch off from abdominal aorta

Common Iliac (L&R) artery

Which arteries:

• Branch off from common iliac (L&R) arteries

• Medial to external iliac artery

Internal Iliac artery

Which arteries:

• Extends from common iliac (L&R) arteries

• Lateral to internal iliac artery

External Iliac artery

Which arteries:

• Branch off from femoral artery

• Lateral to femoral artery

Deep Femoral artery

Which arteries:

• Extends from external iliac artery

• Medial to deep femoral artery

Femoral artery

Which arteries:

• Extends from femoral artery

• Back of knee

Popliteal artery

Which arteries:

• On anterior and lateral side of tibia bone

Anterior Tibial artery

Which arteries:

• Extends from anterior tibial artery

• Inferior to anterior tibial artery

• On anterior side of foot and ankle

Dorsal Pedis artery

Which arteries:

• Extends from popliteal artery

• On posterior side of tibia bone

Posterior Tibial artery

Which arteries:

• Extends from posterior tibial artery

• Inferior to posterior tibial artery

• Posterior to fibula bone

Fibular artery

Which arteries:

• Arch in bottom of foot

Plantar Arch artery

Which veins:

• Directly superior to right atrium

• Brings deoxygenated blood from upper body to right atrium

Superior Vena Cava

Which veins:

• Splits superiorly from superior vena cava vein into left & right

• Inferior to internal jugular & subclavian vein

Brachiocephalic vein

Which veins:

• Extends superiorly from brachiocephalic vein

• Medial & deep to external jugular vein

Internal Jugular vein

Which veins:

• Extends superiorly from subclavian vein

• Lateral & superficial to internal jugular vein

External Jugular vein

Which veins:

• Extends laterally from brachiocephalic vein

• Inferior to internal jugular vein

• Superior & medial to axillary vein

Subclavian (L&R) vein

Which veins:

• Extends laterally from subclavian vein

• Inferior & lateral to subclavian vein

• In armpit region

Axillary (L&R) vein

Which veins:

• Extend distally from axillary vein

• Runs down the arm

• Medial to cephalic vein, lateral to basilic vein

Brachial vein

Which veins:

• Extend distally from axillary vein

• Runs down the arm

• Lateral to brachial and basilic vein

Cephalic vein

Which veins:

• Extend distally from axillary vein

• Runs down the arm

• Medial to cephalic and brachial vein

Basilic vein

Which veins:

• On anterior elbow

• Connects cephalic and basilic vein

Median Cubital vein

Which veins:

• Branch off from basilic vein

• Runs in forearm region

• Medial to cephalic vein, lateral to basilic vein

Median Antebrachial vein

Which veins:

• Arch of veins on palm of hand

Palmar Venous Arches

Which veins:

• Right side of vertebral column

• Bring deoxygenated blood from lower body to right atrium

• Inferior to heart

Inferior Vena Cava

Which veins:

• Branch off from inferior vena cava

• Directly inferior to diaphragm

• Supplies the liver

Hepatic vein

Which veins:

• Attached superiorly to kidneys

• Drain the adrenal glands

• Superior to renal vein

Suprarenal (L&R) vein

Which veins:

• Directly connect to kidneys

• Drain the kidneys

• Inferior to suprarenal vein

Renal (L&R) vein

Which veins:

• Drain testes/ovaries

Gonadal (L&R) vein

Which veins:

• Splits off from inferior vena cava into left & right

• Inferior to inferior vena cava

• Superior to internal & external iliac vein

Common Iliac vein

Which veins:

• Inferior to common iliac vein

• Medial to external iliac vein

Internal Iliac vein

Which veins:

• Inferior to common iliac vein

• Lateral to internal iliac vein

External Iliac vein

Which veins:

• Extends inferiorly from external iliac vein

• In upper thigh and groin region

Femoral vein

Which veins:

• Extends anteriorly from femoral vein

• Superficial to femoral vein

• On medial side of legs

Great Saphenous vein

Which veins:

• Extends from popliteal vein

• On posterior calf

Small Saphenous vein

Which veins:

• On back of knee

Popliteal vein

Which veins:

• On anterior side of tibia bone

Anterior Tibial vein