Heart
True or False: The heart is a muscle.
True
Red liquid carried by blood vessels is called what?
Blood
Mouth/nose
Gas waste from cells
Carbon Dioxide
Tiny blood vessels that connect arteties and veins
What does the heart do?
Pumps blood to your body
Flaps that stop blood from flowing in the wrong direction are called what?
What are the two tubes that split from the trachea called?
Bronchi
Gas inhaled for cells to survive (We are breathe this in daily)
Oxygen
Red blood vessels that carry blood away from the heart
Arteries
What makes your heart stronger?
Exercising (walking, running, dancing, playing)
What do red blood cells do?
Carry oxygen in the blood
Contain hemoglobin
Major respiratory organ (Used for breathing)
Lungs
In the respiratory system, Inhaling and Exhaling is part of what?
Breathing
Blue blood vessels that carry blood back to the heart
Veins
True
What do white blood cells do?
Fight disease in the body
Muscle under the lungs
Diaphram
Blood that is yellow and carries nutrients
Plasma
What makes blood red and also carries oxygen in the blood?
Hemoglobin
How big is your heart?
What are tiny blood cells that stop bleeding?
Platelets
Tiny air sacs in the lungs
Alveoli
Which system involves breathing?
Respiratory System
Circulatory System