wednesday 5/13/15 pick up a red & blue pencil. get out your human body book & clear your...

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Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk.

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Page 1: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Wednesday 5/13/15

Pick up a red & blue pencil. Get out your Human Body Book &

clear your desk.

Page 2: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk
Page 3: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

To carry nutrients and oxygen to and remove waste from

the cells of the body.

The Function

Page 4: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

What makes up the circulatory system?

1. Heart

2. Blood

3. Blood vessels

Page 5: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

There are 3 types of blood vessels:

1. ARTERY

2. VEIN

3. CAPILLARY

Page 6: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

The Heart

ARTERIES - carry blood

away from the heart

VEINS – bring blood

toward the heart

Page 7: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

The HeartAorta

Page 8: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Basic Heart

RA LA

RV LV

4 chambers:

- 2 atria (A)

- 2 ventricles (V)

Page 9: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Aorta

Superior Vena Cava

Inferior Vena Cava

Descending Aorta

R Atrium

R Pulmonary Veins

R Pulmonary

Artery

R Ventricle

L Pulmonary Artery

L Pulmonary Veins

L Ventricle

LUNGS

LUNGS

L Atriu

m

RA

RV LV

LA

XX

X

Page 10: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk
Page 11: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Function of the Immune System

• To defend the body from foreign pathogens

•Defenders are: WBC’s (White Blood Cells) & Lymph

Nodes

Page 12: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk
Page 13: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Function of Respiratory System

• Respiration means breathing bringing in O2 and releasing CO2

Page 14: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Steps in Breathing

• 1st Step Take in air through the nose or mouth.

Page 15: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Steps in Breathing

• 2nd Step Air flows into pharynx, passes epiglottis, and moves through larynx.

When you swallow food, the epiglottis covers the entrance to the trachea, which prevents food from getting into the air pathways.

Page 16: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Steps in Breathing

• 3rd Step Air travels into the windpipe, or trachea.

Page 17: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Steps in Breathing

• 4th Step Trachea splits into two pipes called the bronchi, which lead into the lungs.

Page 18: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Steps in Breathing

• 5th Step Air sacs in the lungs called alveoli, where gas exchange occurs.

Page 19: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

Diaphragm

Larynx (voice box)Trachea

Pharynx

Lung

Bronchii

Take in Air

Bronchioles

Page 20: Wednesday 5/13/15 Pick up a red & blue pencil. Get out your Human Body Book & clear your desk

How do you breathe?

INHALEEXHALE