brittanies test

28 terms by b0706240 

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open

(open or closed), system in which blood is not always contained within a network of blood vessels

closed

(open or closed), system in which blood is contained within a network of blood vessels

gametes

specialized cells involved in sexual reproduction

cartilage

strong connective tissue that supports the body and is softer and more flexible than bone

ectotherm

an animal whose body temperature varies with the temperature of its surroundings

endotherm

An animal whose body controls and regulates its temperature by controlling the internal heat it produces

lungs

either of the two organs in the chest with which people and some animals breathe

diaphragm

Large, flat muscle at the bottom of the chest cavity that helps with breathing

tissue

a part of an organism consisting of an aggregate of cells having a similar structure and function

organ

group of tissues that work together to perform closely realated functions

organ system

group of organs that work together to perform a specific function

homeostasis

process by which organisms maintain a relatively stable internal environment

large intestine

the last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body

mouth

the opening through which food is taken in and vocalizations emerge

esophogus

tube in wich food travels from mouth to the stomach

stomach

large muscular sac that continues the mechanical and chemical digestion of food

small intestine

organ that completes the chemical digestion of food and absorbs the nutrients

amalyse

an enzyme that begins the process of breaking down a starch into a simple sugar

inflammatory response

nonspecific defense reaction to tissue damage caused by injury or infection

antibody

protein that helps destroy pathogens

antigen

substance that triggers an immune response

epidermis

the outer layer of the skin covering the exterior body surface of vertebrates

dermis

the deep vascular inner layer of the skin

hypodermis

Subcutaneous layer, attaches dermis to underlying tissue, adipose, areolar connective tissues (energy reserve and padding), vascular

circulatory system

the organs and tissues involved in circulating blood and lymph through the body

capillaries

tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body

arteries

blood vessels that carry blood away from the heart

pharynx

throat; passageway for food to the esophagus and air to the larynx

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