Respiration & Excretion

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From Note-Taking WKST and textbook.

oxygen

What is the molecule that the respiratory system supplies to the body?

breathing

the movement of the chest that brings air into the lungs and removes waste gas

respiraton

the process where oxygen is used by cells to release energy from glucose

pharnyx

a tubelike passageway used by food, liquid, and air

epiglottis

a flap on the lower end of a food, liquid, air passageway that folds to prevent food or liquid from entering the airway

larnyx

contains vocal cords

trachea

is held open by rings of cartilage; lined with cilia and mucuous membranes

bronchi

there are two of these at the lower end of the trachea

bronchioles

the smallest version of bronchi

alveoli

bronchioles end in clusters of these

capillaries

the alveoli are surrounded by...

1

How many cells thick are the walls of alveoli?

relax

Signals from your brain tell muscles in your chest to contract and _ _ _ _ _ .

breathing rate

When carbon dioxide levels decrease, what else decreases?

diaphragm

the muscle below the ribs that moves gas in and out of the lungs

cold, flu, pneumonia

Name the three most common respiratory infections

bronchitis

a disease in which the bronchioles become irritated and swollen and too much mucus is produced

emphysema

a disease in which the alveoli enlarge and block the airway

lung cancer

a respiratory disease that an uncontrolled growth of cells causes

carcinogens

Smoke, tar, tobacco, etc. all act as _ _ _ _ _ _ _ _ _ _ _ in the respiratory system

asthma

a respiratory disease in which bronchial tubes contract extremely quickly

sweat

The skin is considered an excretory organ because it removes wastes through _ _ _ _ _.

excretory

The _________________ system removes wastes.

hypothalamus

the part of the brain constantly regulating the amount of water in the blood

nephrons

The kidneys are made up of...

uterers

Urine drans from kidneys to bladder through tubes called ______________.

urine

If there is little water in the blood, hormones tell the kidneys to decrease the amount of _ _ _ _ _ and return more water to the blood.

liver

What produces urea?

dialysis

If both kidneys fail, a person must be filtered by an artificial kidney machine in a process called _ _ _ _ _ _ _ _.

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