Capillary Bed Research Paper
The Capillary Bed
The capillary bed is found in the superficial dermis and is an important part of the integumentary system. It is made up of a group of capillaries which are supplied with oxygenated blood via the arterioles and drained of deoxygenated blood via the venules of the circulatory system. The pulsating flow within the capillary bed is called vasomotion. The type of circulation through the capillaries is called microcirculation.
Image 1 bellow shows the components of the capillary bed.
http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_21c/further_biology/circulation/revision/4/
1 Arteries, Veins and Capillaries
When the oxygenated blood travels via the arterioles into the capillaries, which are only 1 cell thick and are permeable, certain gasses and substances can flow/diffuse from the blood to the …show more content…
This is how the body controls its temperature.
When the bodies temperature is too low the vessels constrict (vasoconstriction) to decrease the amount of blood to flow to the area (Image 3. C) which stops heat from being lost from the surface of the skin. During this the erector pili muscles (Image 3. A) contract causing the hairs to stand on end (Image 3. B), this is how we get goose bumps. This action traps heat between the hairs acting like an insulated barrier on the skin preventing the heat from escaping. This is highlighted in Image 3.
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/homeostasis/bodytemprev4.shtml http://www.abpischools.org.uk/page/modules/homeostasis_sugar/sugar6.cfm
3 Controlling temperature
The capillary bed is found in the superficial dermis and is an important part of the integumentary system. It is made up of a group of capillaries which are supplied with oxygenated blood via the arterioles and drained of deoxygenated blood via the venules of the circulatory system. The pulsating flow within the capillary bed is called vasomotion. The type of circulation through the capillaries is called microcirculation.
Image 1 bellow shows the components of the capillary bed.
http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_21c/further_biology/circulation/revision/4/
1 Arteries, Veins and Capillaries
When the oxygenated blood travels via the arterioles into the capillaries, which are only 1 cell thick and are permeable, certain gasses and substances can flow/diffuse from the blood to the …show more content…
This is how the body controls its temperature.
When the bodies temperature is too low the vessels constrict (vasoconstriction) to decrease the amount of blood to flow to the area (Image 3. C) which stops heat from being lost from the surface of the skin. During this the erector pili muscles (Image 3. A) contract causing the hairs to stand on end (Image 3. B), this is how we get goose bumps. This action traps heat between the hairs acting like an insulated barrier on the skin preventing the heat from escaping. This is highlighted in Image 3.
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/homeostasis/bodytemprev4.shtml http://www.abpischools.org.uk/page/modules/homeostasis_sugar/sugar6.cfm
3 Controlling temperature