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Agir-vascular > Vascular > Flashcards

Vascular Flashcards

1
Q

Circulatory systems generally have three main features:

A

Fluid (blood or hemolymph) that transports materials
System of blood vessels
A heart to pump the fluid through the vessels

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2
Q
  • It is located within thoracic cavity together with the lungs.
A

HEART

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3
Q

Four Chambers of heart

A

Right Atrium
Right Ventricle
Left Atrium
Left Ventricle

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4
Q

Receives blood into heart from body, from veins

A

Right Atrium

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5
Q

Pumps blood out to the lungs

A

Right Ventricle

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6
Q

Receives blood into heart from lungs

A

Left Atrium

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7
Q

Pumps blood out into body via arteries

A

Left Ventricle

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8
Q

2 part system

A

Circulation to lungs
Circulation to body

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9
Q

Blood is made up of four major components.

A

Plasma: the liquid portion.
Red blood cells.
White cells.
Platelets

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10
Q

Comprises 50 to 60 percent of the total volume of blood

Plasma is a straw-colored liquid = 90% H2O and 10% solids

A

Plasma

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11
Q

RBCs lose their nucleus at maturity.
Make up about 99% of the blood’s cellular component.
Red color is due to hemoglobin.

A

Red blood cells

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12
Q

complex protein made up of four protein strands, plus iron-rich heme groups.

A

Hemoglobin (Hb)

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13
Q

RBC lifespan

A

4 months

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14
Q

defend against disease by recognizing proteins that do not belong to the body.

A

White cells

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15
Q

are cell fragments used in blood clotting.

are derived from megakaryocites

A

Platelets

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16
Q

Is a fiberous protein in the blood that reacts with thrombin produced from the injured tissue to make a thread-like mass called Fibrin.

A

Fibrinogen

17
Q

blood clotting and healing

A

Coagulation

18
Q

blood clotting and healing

A

Coagulation

19
Q

Classes of blood vessels

A

Arteries and arterioles
Veins
Capillaries

20
Q

carry blood away from the heart.

A

Arteries and arterioles

21
Q

branch off of arteries
can constrict to direct and control blood flow. They may, for example, increase or decrease blood supply to the skin.

A

Arterioles

22
Q

walls are only one cell thick, allowing exchange of gases, nutrients, and wastes.

A

Capillaries

23
Q

blood returns back to heart
thinner-walled

A

Veins

24
Q

are thin-walled collectors of blood.

A

Venules

25
Q

An accessory to the Circulatory system
Responsible for filtering foreign substances from the lymph.

A

Lymph System

26
Q

Scattered among the vessels
Produce Lymphocytes and Antibodies
Each lymph gland has its own blood supply and venous drainage.

A

Lymph Node and Glands

Agir-vascular (1 decks)

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