Circlutory And Respitory System

Question 1

What are the three main components of the circulatory system?

Answer 1

1. transports gases, nutrients & wastes
2. regulates internal temperature
3. protects against blood loss, injury & disease-causing microbes

Question 2

What is the difference between and open and closed system?

Answer 2

Open system is when the heart pumps blood (hemolymph) through open-ended vessels
into spaces between cells.

Closed circulatory system forces blood through vessels and separate from other body tissues that extend throughout the body of the organism

Question 3

What is the difference between the pulmonary and systemic systems?

Question 4

What are the main functions of the blood?

Question 5

List the main components of the blood

Question 6

What are the characteristics of plasma?

Question 7

Main function of red blood cells, white blood cells, platelets.

Question 8

approximate ratios of the different components of blood.

Question 9

Function of an artery, vein, and capillary?

Question 10

How does your blood move back to your heart even though the pressure in your veins is low?

Question 11

How does the body react to a cut on the finger?

Question 12

Explain the role of diffusion in the transport of gases and nutrients through the body.

Question 13

Distinguish between the atria and ventricles in regards to their structure and function.

Question 14

Why would the left ventricle be more muscular than the right ventricle?

Question 15

What is the function of the valves in the heart?

Question 16

What makes the lub dub sound of the heart beating?

Question 17

State one way in which the function of the pulmonary artery is different from the function of other arteries in
the body.

Question 18

What is the difference between the superior vena cava and the inferior vena cava?

Question 19

How are the cells of the heart supplied with the necessary oxygen and nutrients?

Question 20

What is the role of hemoglobin?

Question 21

Where in the heart would you find the area known as the pacemaker? How does it control the heartbeat?

Question 22

What is the difference between systole and diastole and what is happening in the heart for both?

Question 23

names each structure that blood encounters from when it enters the heart deprived of
oxygen to when it exits the heart full of oxygen.

Question 24

What is the difference between external respiration, internal respiration, and cellular respiration?

Question 25

Difference between bronchi and bronchioles?

Question 26

Why does gas exchange occur in the alveoli and not the bronchi?

Question 27

Explain how the movements of the diaphragm and the specific different rib muscles can increase the volume of
the chest cavity during inhalation. How does the change in volume allow air to flow in and out?

Question 28

What are two ways in which the air is changed as it passes through the nose.

Question 29

What is the function of the epiglottis?

Question 30

What is the function of the diaphragm?

Question 31

Describe how breathing is controlled?

Question 32

Explain how the movements of the ribs, chest and diaphragm are involved in the mechanics of breathing.

Question 33

Explain how the structure of lungs enables the function of gas exchange.

Question 34

How are the following terms connected: inhalation, exhalation, diaphragm, ribs, external and internal intercostal
muscles, air pressure, volume, chest cavity, and breathing?

Question 35

What are the different parts of the spirograph?