Intro toCardiovascular and Lymphatic Systems

Question 1

What are the 3 types of blood vessels?

Answer 1

Arteries
Veins
Capillaries

Question 2

What is the name of small veins and small arteries?

Answer 2

Arterioles

Venules

Question 3

What are the three layers of blood vessel tissue and the tissue names? Superficial to deep

Answer 3

Tunica externa: areolar, sometimes elastic CT
Tunica Media: smooth muscle
Tunica intima/interna: simple squamous epithelium or endothelium

Question 4

Which layer of the artery is thicker than the veins?

Answer 4

Tunica Media (smooth muscle)

Question 5

What tissue is the vein’s valves made up of? And what strengthens it?

Answer 5

Tunica media

Collagen and elastic fibers

Question 6

What is the function of the valves in veins?

Answer 6

Prevents backflow and possible pooling

Question 7

What are superficial veins?

Answer 7

Close to skin surface.

Question 8

What are deep veins?

Answer 8

Accompany arteries and are usually paired with another vein.

Question 9

What are capillaries composed of?

Answer 9

Simple squamous epithelium. Endothelium.

Question 10

Capillary function?

Answer 10

Diffuses gases, other small molecules like nutrients and waste

Question 11

What is the middle or canal portion of the veins and arteries?

Answer 11

Lumen

Question 12

What are the structures that connect the cells of the cardiac muscle?

Answer 12

Intercalated disks

Question 13

What are the cell connectors that the intercalated disks contain?

Answer 13

Gap junctions

Question 14

The heart does not need an outside signal to beat. It is _________.

Answer 14

Autorythmic

Question 15

What is the portion of the circulatory system whose arteries transport blood to the lungs for oxygenation and whose veins transport oxygenated blood back to the heart?

Answer 15

Pulmonary circulation

Question 16

What is the portion of the circulatory system whose arteries transport blood to the body, where oxygen is supplied the tissues and veins return blood to the heart?

Answer 16

Systemic circulation

Question 17

The capillary bed is where gas _______ happens.

Answer 17

Exchange

Question 18

What is the blood circulation of a baby in the womb called?

Answer 18

Fetal circulation

Question 19

What organ provides oxygen to the baby in the womb?

Answer 19

The placenta

Question 20

What is the blood vessel that returns blood from the placenta to the heart?

Answer 20

Umbilical vein

Question 21

What is the name of the non-living matrix of the blood?

Answer 21

Plasma

Question 22

What is the name of the white blood cells? Function?

Answer 22

Leukocytes

Defense

Question 23

What is the name of the red blood cells? Function?

Answer 23

Erythrocytes

Transport of oxygen and CO 2

Question 24

What is the name of the smaller fragments of cells? Function?

Answer 24

The (platelets)

Blood clotting

Question 25

What does the lymphatic system flow alongside?

Answer 25

The circulatory system

Question 26

Lymphatic system functions

Answer 26

Drain excess tissue fluid Defense response Provide alternate highway for fluid to travel (Instead of arteries and veins)

Question 27

What is lymph?

Answer 27

Interstatial fluid once it is in the lymphatic vessel

Question 28

What are the names of the two directional vessels?

Answer 28

Afferent (several vessels) and Efferent (1 vessel)

Question 29

What is the function of afferent lymphatic vessels?

Answer 29

Brings lymph to nodes

Question 30

What is the function of efferent lymphatic vessels?

Answer 30

Drains lymph from nodes