The difference between warm-blooded and cold-blooded animals involves the body temperature of the animal. Birds and mammals have warm blood and attempt to keep their internal parts at a set temperature. In a colder environment, their bodies create heat, and when they are in a warmer environment, their bodies cool themselves. Cold-blooded animals have the same temperature as their environment.Know More
To generate heat, warm-blooded animals turn the energy of food into warmth. To keep a constant temperature, they have to eat much more food that their cold-blooded counterparts. Much of the energy from those calories goes directly to providing warmth. When warm-blooded animals get too warm, they pant or sweat to allow evaporation to take away excess heat, and they also reduce their temperature by entering water or finding shade. Heat is generated through their long coats. Shivering and other instinctive responses also generate heat.
Cold-blooded animals get hot when their surroundings are warm and cool down with their environment. In arid climates and other hot surroundings, cold-blooded animals can have blood temperatures that are significantly higher than that of warm-blooded creatures. Cold-blooded animals tend to show much more activity in warmer environments, becoming quite sluggish in colder ones. Chemical reactions drive their muscles, and the reactions take place quickly when things are warm and more slowly when things are cold.Learn more about Blood
Blood, a liquid made up of plasma and cells, has several functions including controlling body temperature, supplying oxygen and nutrients, removing waste, assisting the immune system and transporting hormones. Blood cells, red and white, are made in bone marrow. Plasma is 90 percent water but contains dissolved substances such as hormones, electrolytes, vitamins and proteins.Full Answer >
Discrepancies in the concentrations of specific blood components, such as leukocytes, defensins, Toll receptors, B cells and T cells, differentiate human blood from animal blood. The closer the animal is to humans in terms of a common ancestor, the more similar blood becomes.Full Answer >
In the strictest sense, blood that is being carried toward the heart is venous, while blood being carried away from the heart is arterial, according to Dictionary.com. However, with the exception of the blood carried by the pulmonary arteries and veins, blood in the arteries also carries more oxygen than blood in the veins.Full Answer >
Plasma is the blood fluid that carries blood clotting agents, while serum is the water fluid from blood without the clotting factors. Fibrinogen is a clotting agent in plasma.Full Answer >