science test

5 Written Questions

1. out of the heart
2. takes carbon dioxide to the lungs to be exhaled, transports food and oxygen to all body cells, transports disease fighting cells and chemicals, transports messages
3. iron containing protein
4. oxygen
5. there would be no clotting

5 Matching Questions

1. blood pressure
2. blood flows from the heart to the body in _________
3. what does the pacemaker do?
4. 2 upper chambers of the heart
5. pumps blood to the lungs

1. a right ventricle
2. b atria
3. c it adjusts the heart rate depending on the lack of oxygen
4. d arteries
5. e caused by the force when the ventricles contract, its the pressure of the blood against the walls of the blood vessels

5 Multiple Choice Questions

1. decreases
   1. blood flows from the heart to the body in _________
   2. blood pressure _________ as it goes away from the heart
   3. 2 upper chambers of the heart
   4. how much of pasma is water?
2. the marker molecules
   1. what do lymph nodes do?
   2. what does the pacemaker do?
   3. what is the atrias job?
   4. what determines blood types?
3. the transference of blood from one person to another
   1. capillaries
   2. blood transfusion
   3. blood pressure
   4. hemoglobin
4. when arterey walls thicken caused by cholesterol and reduces blood flow
   1. astherioclorosis
   2. heart
   3. capillaries
   4. hemoglobin
5. they swell up
   1. what do lymph nodes do when you get sick?
   2. what does the pacemaker do?
   3. what do lymph nodes do?
   4. what determines blood types?

5 True/False Questions

1. what do lymph nodes do? → traps disease causing bacteria

   True        False

2. cardiovascular system contains heart, blood vessels, and __________ → arteries

   True        False

3. which ventricle pumps with more force? → traps disease causing bacteria

   True        False

4. what is the atrias job? → it adjusts the heart rate depending on the lack of oxygen

   True        False

5. the blood that flows into the right atria carries what? → makes blood flow faster

   True        False