Respiratory and circulatory systems

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

NUMBER 2:

• Pharynx

• Bronchi

• Alveoli

• Lungs

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

NUMBER 3:

• Pharynx

• Trachea

• Bronchi

• Alveoli

Inside the lungs, the bronchi divide into smaller tubes. At the end of these tubes, there are tiny sacs called...

• Pharynx

• Trachea

• Lungs

• Alveoli

The exchange of gases (02 and CO2) is produced in the

• bronchi

• bronchioles

• alveoli

• trachea

What do arteries carry?

• blood with carbon dioxide and waste

• blood with oxygen and nutrients

• blood

• Blood with waste and oxygen

The heart is divided in...

• two parts:arteries and veins

• two parts and it is a muscle

• four parts: two atriums and two venticols

• four parts: two ventricles and two atriums

We breathe in ___________ and breathe out ___________

• Veins, arteries

• Oxygen, nutrients

• Oxygen, carbon dioxide

• Waste, carbón dioxide

What is blood made of?

• Blood is made up only of plasma.

• Blood is made up of plasma, nutrients, red cells and white cells.

• Blood is made up of plasma, red cells, white cells and platelets.

• Blood is made up of plasma, nutrients, red cells, white cells, platelets and oxygen.