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Chapter 24
22
Biology
Undergraduate 1
07/14/2010

Additional Biology Flashcards

 


 

Cards

Term
What are the five organ systems
Definition

cardiovascular

Lymphatic

respirtory

digestive

Excretory Systems

Term
What does the Cardiovscular System do?
Definition
This is the organ that pumps blood around the body.
Term
What is Blood ?
Definition
blood is a fluid tissue consisting of several kinds of cells and platelets, called formed elements.
Term
The blood its main function is???
Definition

The bloods main function is to transport moecules, cells, and heat from one part of the body to the other.

 

The majority of molecules that is transported by the blood is  respirtory gases,(oxygen,carbon dioxide),

nutrients different kinds of waste products

Term
Formed Elements
Definition
Formed elements are suspended in a watery envirorment, called plasma
Term
Plasma
Definition
Plasma is a fluid in the blood that has many kinds of dissolved molecules that include nutrients, wastes, and proteins
Term
The function of the heart
Definition
The organ responsible for pumping blood through the body
Term
The Kidneys function is?
Definition
This organ is responsible for regulating toxic and unnecessary molecules in the body
Term
lymphatic system what does it do?
Definition

1)  moves fat from the small intestines tract to the blood stream

2)  transports excess tissue fluid back to the cardiovascular system

3)  defends against harmful agents such as bacteria

Term
what 5 things make up the lymphatic system
Definition

lymph nodes

tonsils

spleen

thymus

red bone marrow

Term

what is part  of the respiratory system

 

Definition

the diaphram

alveoli (are sacs that fill the lungs)

Term
what is the digestive system
Definition

The mouth

salivary glands

pharynx

stomach

small intestine

liver

hepatic portal vein

gallbladder

large intestine

Term
excretory system
Definition

nephrons

glomerulus

proximal convoluted tubule

loop of henle

distal convoluted tubule

Term

What does a nephron do

 

Definition
tiny tubule that are fuctional units of the kidneys
Term

what is a glomerulus

 

Definition
a cluster of blood vessels surrounded by the bowmens capsule in the kidneys it fliters the blood
Term
what does the proximal convoluted tubule do
Definition
responsible for reabsorbing gluclose and nutrients from the blood
Term
what does the loop of henle do
Definition
its job is to regulate the amount of water lost from the kidneys, and how much is absorbed
Term
What does the distal convoluted tubule do
Definition
secrets metabolytes from your kidneys that you have taken
Term
what hold the urea before in goes to the bladder
Definition
the collecting ducts
Term
what is a bolus
Definition
it is a ball of food formed by the tongue
Term
what is the job of the pharynx
Definition
this is the part of the throat taht contacts the walls of the esphogus
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