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What does the respiratory system do?
Helps us breathe in oxygen and breathe out carbon dioxide.
What does the nose and mouth do?
Bring air into the body
What does the trachea do?
Carries air from the nose and mouth to the lungs 🫁.
what is the bronchi?
Two tubes that branch from the trechea into each lung.
What do the lungs do?
Fill with air and allow gas exchange.
what are the alveoli?
Tiny air sacks where oxygen enters the blood and carbon dioxide leaves .
What is the diaphragm
Muscle that helps move air in and out of the lungs 🫁.
what does the brainstem control.
Controls breathing (automatically).
What does the circulatory system do?
Moves blood ,oxygen,and nutrients throughout the body
What does the heart do?
Pumps blood throughout the body.
what do arteries do?
Carry blood away from the heart.
What do veins do ?
Carry blood back to the heart.
What are capillaries?
Tiny blood vessels where oxygen and nutrients are exchanged with cells.
blood 🩸.
Made up of red and white cells,plasma ,and platelets.
Red blood cells 🩸
Carry oxygen and nutrients.
White blood cells 🩸
Fight infections
Platelets
Helps stop bleeding 🩸 by forming clots.
Plasma
The liquid part of blood 🩸