This organ is where oxygen enters the blood and carbon dioxide is removed.
This organ pumps blood throughout your body.
The heart.
The main job of the respiratory system.
To bring oxygen in and remove carbon dioxide.
Your body has this many lungs.
Two
These tiny air sacs in the lungs are where gas exchange happens.
The alveoli
These blood vessels carry blood away from your heart.
What is the main job of the circulatory system?
To transport oxygen, nutrients, and waste.
60-100 times
This muscle below the lungs helps you breathe in and out.
The diaphragm
These vessels return blood back to the heart.
The veins
This gas is brought into the body when we inhale.
Oxygen.
This is how long it takes for blood to circulate the entire body.
1 minute.
These two tubes carry air from your trachea into your lungs.
The bronchi
These ting blood vessels allow nutrients and gases to move between blood and cells.
The capillaries.
This gas is remove from the body when we exhale.
Carbon dioxide
Blood is made up of four parts; red cells, white cells, platelets, and this.
Plasma.
This is the pathway air takes from the nose or mouth to the lungs.
The respiratory tract
This part of blood carries oxygen.
The red blood cells.
These two systems work together to deliver oxygen to the body.
Respiratory and circulatory systems
This is the name of the system that includes the heart, blood, and vessels.
Circulatory System