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Biology Organ Systems Quiz by Lolita :)

1. (Heart Section) What is the top chambers of the heart called? (this is where the blood first enters)
Altria
Ventricle
Pacemaker
Plumonary
2. In the left altrium, what kind of blood is there?
Oxygenating Blood
Deoxygenated Blood
Carbon Dioxide Blood
3. Deoxygenated blood comes from... (2 options)
The vena cava
The plumonary vain
The left altrium
The right altrium.
4. Which altrium do cells act as pacemakers?
The right altrium
The left altrium
None of them do!
5. (Lungs section) How does oxygen diffuse into the blood stream?
Osmosis
Photosynthesis
Gas exchange
Diffusion
6. What kind of gradient does gas exchange have?
Steep gradient
Gentle gradient
Fast gradient
Slow gradient
7. Lungs have a large supply of __________ to maintain a concentration gradient.
Trachea
Aveoli
Blood capillaries
Bronchioles
8. Why do aveoli help gas exchange?
They are thick.
They are impermeable.
They are dry.
They have a good blood supply.
9. (Blood section) What percentage of red blood cells are in blood?
45
55
35
65
10. What do white blood cells do?
Carry oxygen to cells.
Transport blood to cells.
They clot at wound sites.
Protect from infections.
11. Which one of these isn't actually a cell?
Red Blood Cells
White Blood Cells
Platelet Cells
Plasma Cells
12. How are white blood cells different from red blood cells?
They are smaller
They have a nucleus
They are pretty much the same..
13. How is the vein adapted to its function?
Thick walls to stop blood from spurting out
Valves to prevent backflow of blood
Large surface area to speed up blood production
14. (Plant section) What controls the opening and closing of the stomata?
Guard Cells
Xylem
Root hair cells
15. Which of these plant tissues help protect the leaf to be waterproofed?
Spongy mesophyll
Palisade mesophyll
Epidermal tissue
Phloem
Xylem
16. Which of these are true about the mineral ions?
Mineral ions are absorbed by active transport.
Mineral ions are absorbed by diffusion.
The mineral ions are absorbed down a concentration gradient.
17. What does the stomata do?
Controls water loss
Absorb mineral ions
Bring oxygen to the plant.
Absorb sunlight
18. What kind of action in transpiration in the plant moves water?
Photosynthesis
Capillary
Evaporation
Concentration
19. Yay! You've finished the quiz! Did you enjoy it? (doesn't count for your score)
Yes :)
No
It was the best quiz :)
Um no it was bad
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