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Blood and Lymphatic Vessels

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Questions and Answers

What are the smallest arteries called?

Arterioles (correct)

Sinusoids

Venules

Capillaries

Which vessels collect blood from capillaries (or from sinusoids)?

Sinusoids

Capillaries

Arterioles

Venules (correct)

What do blood vessels deliver to the cells of the body?

Plasma

Carbon dioxide and metabolic base products

White blood cells

Nutrients, oxygen, and hormones (correct)

What lines the inner surfaces of the heart and all blood vessels?

Endothelial cells Signup and view all the answers

In what situations are capillaries replaced by slightly different vessels?

Sinusoids Signup and view all the answers

What do arterioles open into?

A network of capillaries Signup and view all the answers

What are the slightly different vessels that can replace capillaries?

Sinusoids Signup and view all the answers

How are the inner surfaces of the heart and blood vessels lined?

By flattened endothelial cells Signup and view all the answers

What do veins do?

Return blood to the heart Signup and view all the answers

What substances are exchanged between the blood and the tissues through the walls of capillaries?

Various substances Signup and view all the answers