Intro toCardiovascular and Lymphatic Systems Flashcards

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1
Q

What are the 3 types of blood vessels?

A

Arteries
Veins
Capillaries

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2
Q

What is the name of small veins and small arteries?

A

Arterioles

Venules

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3
Q

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

A

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

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4
Q

Which layer of the artery is thicker than the veins?

A

Tunica Media (smooth muscle)

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5
Q

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

A

Tunica media

Collagen and elastic fibers

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6
Q

What is the function of the valves in veins?

A

Prevents backflow and possible pooling

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7
Q

What are superficial veins?

A

Close to skin surface.

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8
Q

What are deep veins?

A

Accompany arteries and are usually paired with another vein.

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9
Q

What are capillaries composed of?

A

Simple squamous epithelium. Endothelium.

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10
Q

Capillary function?

A

Diffuses gases, other small molecules like nutrients and waste

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11
Q

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

A

Lumen

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12
Q

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

A

Intercalated disks

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13
Q

What are the cell connectors that the intercalated disks contain?

A

Gap junctions

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14
Q

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

A

Autorythmic

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15
Q

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?

A

Pulmonary circulation

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16
Q

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?

A

Systemic circulation

17
Q

The capillary bed is where gas _______ happens.

A

Exchange

18
Q

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

A

Fetal circulation

19
Q

What organ provides oxygen to the baby in the womb?

A

The placenta

20
Q

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

A

Umbilical vein

21
Q

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

A

Plasma

22
Q

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

A

Leukocytes

Defense

23
Q

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

A

Erythrocytes

Transport of oxygen and CO 2

24
Q

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

A

The (platelets)

Blood clotting

25
Q

What does the lymphatic system flow alongside?

A

The circulatory system

26
Q

Lymphatic system functions

A

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

27
Q

What is lymph?

A

Interstatial fluid once it is in the lymphatic vessel

28
Q

What are the names of the two directional vessels?

A

Afferent (several vessels) and Efferent (1 vessel)

29
Q

What is the function of afferent lymphatic vessels?

A

Brings lymph to nodes

30
Q

What is the function of efferent lymphatic vessels?

A

Drains lymph from nodes