class notes 3.24 (after exam 2)

class notes 3.24 (after exam 2) - Biology 1006: 3/24/10...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Biology 1006: 3/24/10 Homeostatic: keeps our body in equilibrium Poikilotherms: “Cold blooded”, body temperature varies with the environmental temperature, aquatic o Ways to regulate body heat- Increase activity=generate muscle warmth Behavioral Thermoregulation Fossorial Habits (Burrowing)=55 degrees 6 ft underground Seeking Available Shade Sunbathing=warm up Taking a water bath Homeotherms: “warm blooded”, organisms that maintain a relatively constant body temperature independent of the environmental temperature o Ways to regulate body heat- Anatomical-insulation=blubber/fat insulation in whales and dolphins, hair, feathers Physiological Capillary flow in our skin, can dilate the capillaries (makes skin turn pink and “flush”, get rid of excess heat), contract capillaries (conversation of body heat) Countercurrent heat exchanges Torpor-hibernation=drop body temperature to conserve energy o Ways to lose excess body heat-
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/18/2012 for the course BIO 1006 taught by Professor Staff during the Spring '10 term at Virginia Tech.

Page1 / 2

class notes 3.24 (after exam 2) - Biology 1006: 3/24/10...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online