Structure Of Heart And Circulatory System

18 Questions | By Proanimator | Last updated: Mar 22, 2022 | Total Attempts: 154

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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