The Heart
Blood Vessels
Your Blood
The Lungs & Breathing
CHALLENGE!
100
What is the size of your heart?
Your heart is about the size of your FIST.
100
Name the largest artery in your body.
The largest artery in your body is called the AORTA.
100
Red blood cells are shaped like __________________.
Red blood cells are shaped like DONUTS (doughnuts).
100
Name the ORGANS of the respiratory system.
The ORGANS of the respiratory system are the LUNGS.
100
An average adult has about how many pints of blood?
An average adult has about 8-10 pints of blood?
200
What are the four sections of your heart called?
The four sections of your heart are called CHAMBERS.
200
What blood vessels carry blood AWAY from the heart (to all parts of the body)?
ARTERIES carry blood away from the heart.
200
Which blood cells carry oxygen to all cells in the body?
RED BLOOD CELLS carry oxygen to all cells in the body.
200
Air enters your respiratory system through your ______________ & _______________.
Air enters your respiratory system through your NOSE & MOUTH.
200
Red blood cells live for about ____________________.
Red blood cells live for about 120 days.
300
Your heart is made of __________________ (what kind of tissue?).
Your heart is made of MUSCLE.
300
What blood vessels carry blood from all body parts BACK to the heart (hint: "shoot straight back to the heart")?
The VEINS carry blood from all body parts back to the heart.
300
Which blood cells kill bacteria and fight infections?
WHITE BLOOD CELLS kill bacteria and fight infections.
300
The long tube-like structure that carries air to your lungs is called your ____________________ or trachea.
The long tube-like structure that carries air to your lungs is called your WINDPIPE or trachea.
300
Where are red blood cells manufactured?
Red blood cells are manufactured in the BONE MARROW of LONG BONES.
400
What is the name of the lower chambers of the heart?
The left and right VENTRICLES.
400
These tiny blood vessels CONNECT arteries and veins.
CAPILLARIES connect arteries and veins.
400
Which blood cells help to form clots that prevent us from bleeding too much when we have a cut?
PLATELETS help to form clots that prevent us from bleeding too much when we have a cut.
400
The muscular wall that moves up and down each time you take a breath is called the ______________________.
The muscular wall that moves up and down each time you take a breath is called the DIAPHRAGM.
400
Name the three parts of the circulatory system.
The three parts of the circulatory system are: the HEART, the BLOOD, and the BLOOD VESSELS.
500
What is the name of the upper chambers of the heart?
Left and right ATRIUMS (or atria).
500
Name the three types of blood vessels in your body.
ARTERIES, VEINS, and CAPILLARIES are the three types of blood vessels in your body.
500
Name the four components of blood?
The four components of blood are: RED blood cells, WHITE blood cells, PLATELETS, and PLASMA.
500
When you breathe in, your body takes in ________________ and gives off ______________ __________________ when you exhale.
When you breathe in, your body takes in OXYGEN and gives off CARBON DIOXIDE when you exhale.
500
Name the smallest part of the lungs where respiration actually takes place (hint: these look like tiny bunches of grapes).
The smallest part of the lungs where respiration actually takes place are called the ALVEOLI.