topic: respiration aim: why is respiration neccessary?

This equipment is _______________ and it is used for______________________________________________________________________________________________________

The process of releasing chemical energy by breaking down organic compounds (food molecules) with the use of oxygen

Raw materials of Respiration

GLUCOSE (nutrients)

and OXYGEN

Products of

Respiration •ENERGY

• CARBON DIOXIDE

•WATER

FORMULAS1. Word 2. Chemical

CC66HH1212OO66 + O + O22 ATP + COATP + CO2 2 + + HH22OO

Occurs in the __________________Of cellsMITOCHONDRIA

TWO TYPES TWO TYPES RESPIRATIORESPIRATIO

NNThe type of respiration

that requires oxygen

Total energy

produced from 1 molecule of

glucose = 36 ATP

The type of respiration that does not require oxygen to be present

Total energy produced from 1 molecule of glucose

= 2 ATPALSO produces• lactic acid• alcohol

Forms because of an inadequate supply of oxygen

Result muscle fatigue and cramping.

The mitochondria are the engines of our cells where sugar is burned for fuel and the exhaust is CO2 and H2O.

Topic:Aim:

RespirationHow are humans adapted for respiration?

Recall the definition of adaptation and brainstorm some ideas that apply to the aim

Adaptations that humans have for respiration include:_________________________________________________________________

Aim: How do the structures of the respiratory system

assist in the breathing process? Day 2

Do Now: Handout

Question 1-10

HOMEWORK: Textbook pgs 568-

576 Vocab. and Q’s # 1-5

The Human Respiratory system Space where air

enters the respiratory system through structures called nostrils 3 Functions:

1.Warms 2.Moistens3.Filters

Nostril

Contains nostrils: opening to the nasal passages

nasal passages: lined with a mucus membrane with cilia

Tube-like passageway

used for air and food

“throat”

•Throat Contains

the epiglotti

s

• Flap of elastic cartilage tissue

• • Covers trachea

when swallowing food or liquids to

prevent from choking

Choking on food is most likely caused by an

interference with the proper functioning of the

1. diaphragm 2. nasal cavity 3. bronchial tubes 4. epiglottis

A continuation of the airway

Lined with two folds of tissue called vocal cords

A.k.a. voice box

A continuation of airwayApproximately 12cm in length

Lined with mucous and cilia

a.k.a. windpipe

Trachea

Surrounded by cartilage

To prevent collapsing

2 short tubes used as airway

Branches of the trachea

Bronchi – pluralBronchus -singular

Bronchi

We have two lungs!!!!

Topic:

Aim:

Respiration

How does respiration occur?

Explain three similarities

between the human

respiratory system and a

bundle of grapes

Grapes areSimilar to our

respiratory system because:

Microscopic branches of the bronchi

Each branch ends with an alveolus

Alveoli- pluralAlveolus - singularTiny air sacs

Surrounded by capillaries

Where the gas exchange occurs

1. structure 12. structure 23. structure 34. structure 4

DiagramsDiagrams A A and and BB represent structures represent structures found in the human body. Diagram found in the human body. Diagram BB

represents the functional unit of which represents the functional unit of which structure represented in diagram structure represented in diagram AA??

1.a tissue2.an organ3.an organelle4.an organ

system

The respiratory system includes a layer of cells in the air passages

that clean the air before it gets to the lungs. This layer of cells is best

classified as

Make a hypothesis

State a conclusion

________________________________________________________________________________________

________________________________________________________________________________________

RespirationHow does exercise affect breathing rate?

MAKE A HYPOTHESIS ABOUT THE AIM.

________________________________________________________________________________________________________________________

Make a conclusion

__________________________________________________________________________________________________________________________________________________________

The exchange of gases between the organism and its surrounding environment.

Done by inhaling and exhaling

The exchange of gases between the respiratory system and the circulatory system

Through the capillaries

Gas exchange occurs because of diffusion

Oxygen diffuses into the blood (out of alveoli)

Carbon dioxide diffuses out of the blood (into alveoli)

The diaphragm is a sheet of muscle tissue that lines the bottom of the chest cavity

As the diaphragm moves up, the ribs move down and in. This creates a smaller chest cavity and that forces air out of the respiratory system which is known as exhalation

As the diaphragm moves down, the ribs move up and out. This creates a larger chest cavity and that forces air into the respiratory system which is known as inhalation

What controls that action of the diaphragm? Your Brain!!!!!!!!