The Circulatory System

Question 0

Name the upper and lower chambers of the heart

Answer 0

Each upper chamber is called ATRIUM (plural-artia)

Each lower chamber is called VENTRICLE

Question 1

How many chambers are in the heart?

Answer 1

Four chambers

Question 2

Where is the heart located

Answer 2

Left side of the body in the thoracic cavity between two lungs

Question 3

What is the hearts primary function

Answer 3

Pumps blood through the blood vessels of the body and provides every cell in the body with vital nutrients and oxygen

Question 4

How does blood flow through the lungs

Answer 4

Pulmonary circulation

Question 5

Blood is transported throughout the entire body by a network of blood vessels, what are they?

Answer 5

Arteries, veins and capillaries

Question 6

Arteries carry blood away from the heart to the cells under _________ pressure.

Answer 6

High

Question 7

Veins carry blood back to the heart under _______ pressure

Answer 7

Low

Question 8

There is 4-6 litres of blood in the adult body, name three main functions blood has in the body

Answer 8

1. Transport substances around the body ex: carry O2 from the lungs to the cells and carry CO2 another waste materials from the cells to lungs
2. Participate in the regulation of fluid and electrolyte balance, acid-base balance and body temperature
3. Protect the body from infection

Question 9

What is blood made of?

Answer 9

Blood is compromised of two parts;the liquid portion (plasma) and the formed elements (blood cells)

Question 10

What is plasma? What does plasma do?

Answer 10

Pale yellow fluid which contains protein, gases and salts.

• regulate fluid volume
• protect itself from pathogens
• prevent excessive blood loss

Question 11

List a few signs and symptoms someone would show if they had circulatory disorders

Answer 11

Blood pressure changes
Irregular pulse rates 
Light headed
Fatigue 
Skin changes such as coldness 
Ulcerations 
Easy bruising