200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt Respiratory System organs Respiratory system operation Circulatory System organs Blood Mixed up Systems
The bones that protect the lungs.
Ribs
The dome-shaped sheet of muscle that forms the bottom of the chest cavity.
Diaphram
The air passage in your throat that leads to the lungs.
Trachea
The smallest and thinnest air tubes in the lungs.
Bronchioles
A membrane that encloses each of the lungs.
Pleura
The colorless gas that you breathe out as waste.
Carbon Dioxide
To breathe out.
Exhale
To breathe in.
Inhale
An explosive and sudden release of air through the mouth.
Cough
When you breath in through your nose the air travels through this and continue on towards the pharynx.
Nasal Passage
This is the organ in your body, about the size of your fist, that pumps blood throughout the body.
Heart
These are the lower chambers of the heart
Ventricles
This is the main and largest artery in the body.
Aorta
These are the upper chambers in the heart.
Atriums
This vein takes the blood to the lungs for oxygen.
Pulmonary Vein
This is the liquid that carries oxygen throughout your body.
Blood
This is the clear, liquid part of the blood that holds proteins, digested food, wastes, and other substances,
Plasma
These are the cells which fight diseases in the body.
White Blood Cells
These are the tiny blood cells that stop bleeding.
Platelets
These are the tiny blood vessels that connect arteries and veins.
Capillaries
This counts the heartbeats in a minute’s time.
Pulse
The tiny hairs inside your air tubes that keep dirt away form your lungs.
Cilia
The slimy liquid inside your nose and lungs to help trap dirt from the air.
Mucus
The flap of cartilage behind your tongue.
Epiglottis
Separates the left atrium and the left ventricle.
The Mitral Valve