Structure of Arteries, Veins and Capillaries Higher Human Bio

What is the correct order?

• Heart - arteries - veins - capillaries

• Heart - arteries - capillaries - veins

• Veins - heart - arteries - capillaries

• Capillaries - heart - veins - arteries

What is the correct definition of an artery?

• A blood vessel that carries blood away from the heart

• A type of plant root used to absorb water and nutrients

• A blood vessel with valves that transports blood back to the heart

• A type of muscle that pumps blood around the body

What is the correct definition of a capillary?

• A type of muscle tissue that contracts and relaxes to move blood throughout the body

• A type of nerve cell that transmits electrical signals throughout the body

• A narrow, thin walled blood vessel that exchanges materials with the tissues

• A type of cell that produces hormones to regulate bodily functions

What is a small vein called?

• Artery

• Venule

• Capillary

• Veinlet

What is the layer of cells called that lines blood vessels?

• Epithelium

• Mesothelium

• Endothelium

• Connective Tissue

What is the central space called in blood vessels?

• Ventricle

• Lumen

• Atrium

• Capillary

In vasoconstriction, the blood vessels...

In vasodilation, the blood vessels....

Arteries carry blood ​ (a)   from the heart. Blood is pumped through arteries at ​ (b)   pressure. Arteries have an outer layer of ​ (c)   and a thick middle layer containing ​ (d)   with more elastic fibres.

• away
• high
• connective tissue
• smooth muscle

​ (a)   are only ​ (b)   cell thick. This allows for quick and efficient ​ (c)   of substances with ​ (d)   .

• Capillaries
• one
• exchange
• tissues