Structure Of Heart And Circulatory System
- 1.The heart valves control blood flow from the atria to the ventricles, and ensure blood flows through your heart in the right direction
- A.
True
- B.
False
- 2.Why are ventricle walls thicker than atria walls?
- A.
Blood is pumped out of the heart at a lower pressure here
- B.
Atria walls are actually thicker
- C.
Blood is pumped out of the heart at greater pressure here
- D.
None of the above
- 3.Blood is
- A.
55% cells, 45% plasma
- B.
55% plasma, 45% cells
- C.
None of the above
- 4.An analogy for blood and plasma, is that the blood cells are like the people in a crowded river, and the plasma is the water, carrying the people along
- A.
True
- B.
False
- C.
Maybe
- D.
I don't know
- 5.Select the 3 types of blood cell within human blood
- A.
Red blood cells
- B.
Bacteria
- C.
Platelets
- D.
White blood cells
- E.
Archaea
- 6.There are 5,000,000 red blood cells per cubic millimeter of blood
- A.
True
- B.
False
- 7.
Identify some properties of the red blood cell- A.
Extremely small
- B.
Contains chlorophyll
- C.
Contains hemoglobin
- 8.Identify properties of hemoglobin found inside the red blood cell
- A.
Iron rich
- B.
Makes blood red
- C.
Carry oxygen from lungs to body
- D.
Carry carbon dioxide from body to lungs to be exhaled
- 9.How can we tell if a person is suffering from a disease?
- A.
The plasma to blood cell ratio is higher
- B.
The have more platelets
- C.
They have more white blood cells
- D.
They have more red blood cells
- 10.
List some properties of white blood cells
- A.
Larger than red blood cells
- B.
High white blood cell to red blood cell ratio
- C.
Eukaryotic
- D.
Prokaryotic
- E.
Smaller than red blood cells
- F.
Destroy bacteria and fight diseases
- G.
Low white blood cell to red blood cell ratio
- 11.
List some properties of platelets
- A.
Prokaryotic
- B.
Colorless
- C.
Help blood to clot so that cuts can heal
- D.
Fragments of cytoplasm from bone marrow
- 12.
As altitude increases, air becomes ____ compressed and is therefore _______, thus making it ______ to breathe
- A.
More, thinner, harder
- B.
Less, thicker, harder
- C.
Less, thinner, harder
- D.
More, thicker, easier
- 13.To account for less compressed air, your body will generate ____ blood cells, giving you more hemoglobin and thus more oxygen, by acclimating up to 5500 meters above sea level, your body can generate up to _______ red blood cells per cubic millimeter of blood
- A.
Less, 7,000,000
- B.
More 7,000,000
- C.
Less, 7,500,000
- D.
More, 7,500,000
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