Cardiovascular System

Question 1

What are the functions of the cardiovascular system?

Answer 1

Transport O2
Transport Metabolites
DIstribution of heat, hormones and anitbodies
Defence against diseases

Question 2

How much of blood is made of cells?

Answer 2

45%

Question 3

How much of blood is made up of plasma?

Answer 3

55%

Question 4

How much of plasma is liquid water?

Answer 4

90%

Question 5

What colour is plasma?

Answer 5

Pale Yellow

Question 6

What does plasma transport?

Answer 6

Urea
Hormones
CO2

Question 7

What are RBC also known as?

Answer 7

Erythrocytes

Question 8

How much of RBC in blood?

Answer 8

High number of 5 million per mm3 of blood

Question 9

What does RBC contain?

Answer 9

Haemoglobin which contains iron

Question 10

What shape is a RBC?

Answer 10

Biconcave disc

Question 11

How does the shape of RBC help with its function?

Answer 11

Efficient diffusion as large surface area

Question 12

How does RBC have more room for haemoglobin?

Answer 12

No nucleus

Question 13

How does the RBC size help it adapt to its function?

Answer 13

Small in size so can squeeze through small capillaries

Question 14

What are the two types of phagocytes?

Answer 14

Monocyte
Polymorph

Question 15

Describe a monocyte?

Answer 15

Large bean shaped nucleus
Regular

Question 16

Describe a polymorph?

Answer 16

Lobed nucleus with granular cytoplasm
Irregular

Question 17

What do phagocytes do?

Answer 17

Engulf and giest bacteria with enzymes

Question 18

Describe a lymphocyte?

Answer 18

Large round nucleus
Little to no granular cytoplasm
Response to antigens

Question 19

What is the lymphocytes size compared to phagocyte?

Answer 19

Much smaller

Question 20

How many WBC compared to RBC?

Answer 20

Less than RBC

Question 21

Other name for platelets?

Answer 21

Thrombocytes

Question 22

Where is platelets produced from?

Answer 22

Bone marrow