Blood Vessels; Heart structure and function

Question 1

What are the 3 functions of blood?

Answer 1

1. transport of nutrients, waste, hormones and carbon dioxide
2. protect and defend the body
3. helps to maintain a constant body temperature

Question 2

Which blood vessel carries blood away from the heart?

Answer 2

the arteries

Question 3

All arteries carry oxygenated blood except for one artery. What is this artery called?

Answer 3

The pulmonary artery

Question 4

Which blood vessel carries blood back to the heart?

Answer 4

the veins

Question 5

All veins carry de-oxygenated blood except for one vein. What is this vein called?

Answer 5

the pulmonary vein

Question 6

Veins have structures called_____. What is the purpose of these structures?

Answer 6

• Veins have structures called valves.

* Valves keep the blood flowing in one direction( prevents backflow of blood)

Question 7

What is the tiny and the smallest blood vessel of the human body?

Answer 7

the capillaries

Question 8

Which blood vessel allow the change in substances between the blood and the surrounding tissue?

Answer 8

the capillary

Question 9

What are platelets?

Answer 9

Tiny cells that causes blood to clot at a wound to form a scab.

Question 10

What is Haemophilia?

Answer 10

A person whose blood cannot clot properly.

Question 11

What is the liquid part of the blood called?

Answer 11

Plasma

Question 12

What is the percentage of water that plasma is made out of?

Answer 12

90%

Question 13

What is the responsibility of plasma?

Answer 13

Plasma is responsible for the transport of food/nutrients, waste, hormones and carbon dioxide.

Question 14

The average adult is made up of how many liters of blood?

Answer 14

5 liters

Question 15

What are the 4 types of blood groups that a person may belong to?

Answer 15

• A
• B
• AB
• O

Question 16

Which blood group is known as the Universal Recipient and what is the meaning of it?

Answer 16

AB is known as the Universal Recipient because this group can receive blood from all groups, but can only give blood to another AB recipient.

Question 17

Which blood group is known as the Universal Donor and what is the meaning of it?

Answer 17

O is known as the Universal Donor because this group can give blood to all groups but can only receive blood from another O.

Question 18

What is the heart?

Answer 18

A muscular pumping organ

Question 19

What are the upper chambers in the heart are called?

Answer 19

the atria (one atrium)

Question 20

What are the lower chambers in the heart are called?

Answer 20

Ventricles

Question 21

What is the difference between the functions of the atria and the ventricles?

Answer 21

• The atria brings blood to the heart

* The ventricles pump blood away from the heart

Question 22

Which side of the heart contains oxygenated blood and which side contains deoxygeneted blood?

Answer 22

The left side contain oxygenated

The right side contains deoxygenated

Question 23

What mineral is needed to produce hemoglobin?

Answer 23

iron

Question 24

What deficiency disease can result in the lack of iron?

Answer 24

anemia

Question 25

What is the name of the protein important in blood clotting?

Answer 25

Fibrinogen

Question 26

What is meant by pulmonary circulation?

Answer 26

The flow of blood from the heart to the lungs and back to the heart.

Question 27

Where are red blood cells produced?

Answer 27

In the bone marrow

Question 28

What is the function of the white blood cells?

Answer 28

It protect and defend the body (destroy germs)

Question 29

What is the function of red blood cells?

Answer 29

They transport oxygen around the body