8.3 Blood, Tissue Fluid, And Lymph Flashcards

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1
Q

Blood plasma

A

Yellow liquid in blood carrying wide variety of components including dissolved glucose and amino acids, mineral ions, hormones and large plasma proteins. Also transports erythrocytes.

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2
Q

Platelets

A

Fragments of large cells called megakaryocytes. Involved in clotting mechanism

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3
Q

Oncotic pressure

A

Tendency of water to move into blood by osmosis.

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4
Q

Hydrostatic pressure

A

As blood flows through arterioles into capillaries, its still under pressure from blood surge every time the heart contracts

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5
Q

Tissue fluid

A

Fluid filling the spaces between cells. Squeezed out of capillaries

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6
Q

Arterial end (of capillary)

A

High hydrostatic pressure of -4.6kPa, net flow of fluid out of capillary to form tissue fluid

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7
Q

Venous end (of capillary)

A

Low hydrostatic pressure of 2.3kPa. Net flow of fluid into capillary

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8
Q

Lymph

A

Some fluid (10%) does not return to capillaries, instead drains into system of tubes called lymph capillaries

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9
Q

Lymphocytes

A

Type of white blood cell that is involved in the immune system. Build up in lymph nodes

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