AQA Biology Unit 2 - Homeostasis

Banting and Best: discovered the treatment of insulin for diabetics

Blood: transporter of hormones

Blood Vessels: narrow or constrict depending on blood temperature, influencing blood flow to the skin's surface capillaries 

Capillaries: when the body is trying to lose heat, blood flow in the capillaries is increased

Carbon Dioxide: a waste product from respiration which needs to be maintained at low levels, leaves the body via the lungs when we exhale

Constrict: 'narrow' - restricting blood flow (via capillaries) when blood  temperature is too low, reducing heat loss

Coordinator: the 'decision making' part of the Homeostatic mechanism

Deamination: the process of the breakdown of amino acids in the liver

Denature: enzymes will not function when temperatures become too high

Dilate: 'widen' - increasing blood flow (via capillaries)

Effector: the body parts which respond to nervous impulses sent from the brain and produce the appropriate response

Excreted: metabolic waste products are excreted from the body

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