Circulation System

Question 1

What is the function of a:

* Blood vessel

Answer 1

Circulates blood

Question 2

What is the function of a:

** Blood plasm

Answer 2

Transports dissolved substances

like for example: nutrients & waste products

Question 3

What is the function of :

*** RED Blood cells

Answer 3

Transports oxygen (O2) and carbon dioxide (CO2)

Question 4

What do you call the RED protein in the blood that transports oxygen in the blood?

Answer 4

Haemoglobin

Question 5

What is the function of a:

** Blood platelets

Answer 5

Blood clotting

Question 6

What is the function of:

** WHITE Blood cells

Answer 6

a) Destroys bacteria
b) Produce antibodies
c) Supply immunity (so you don’t get sick)

Question 7

Mammals (like dogs) have a CLOSED blood system.

What does that mean??

Answer 7

a) blood NEVER leaves the blood vessels

b) blood circulates through a NETWORK of blood vessels through the body

Question 8

Name THREE types of blood vessels (something you will find blood in)

Answer 8

> Artery
Vein
Capillary

Question 9

ARTERY, explain the:

1) Direction of blood flow
2) Functions
3) Structure of blood vessel

Answer 9

1) …..AWAY from the heart
2) transports oxygen and nutrients TO organs
3) THICKEST layers, small opening

Question 10

VEIN, explain the:

1) Direction of blood flow
2) Functions
3) Structure of blood vessel

Answer 10

1) ….transports blood BACK TO THE HEART
2) transports carbon dioxide and waste AWAY from organs
3) THINNER than artery, has large opening

Question 11

CAPILLARY, explain the:

1) Direction of blood flow
2) Functions
3) Structure of blood vessel

Answer 11

1) branches around the cells
2) process of DIFFUSION takes place here
3) very THIN