Transport in the body

Question 1

Describe what our circulatory or transport system is made up of.

Answer 1

Heart, arteries, veins, capillaries

Question 2

Explain the need for a transport system.

Answer 2

To move materials from one place to another.

Question 3

Describe the composition of blood.

Answer 3

plasma is the liquid part of blood, it dissolves chemicals around the body, red blood cells, carry oxygen to the necessary parts of the body, white blood cells fight infection, platelets, help form blood clots and prevent loss of blood

Question 4

State the role of the blood.

Answer 4

Brings oxygen and nutrients to all the parts of the body so they can keep working

Question 5

List the types of blood vessels in the body.

Answer 5

Arteries, veins, capillaries.

Question 6

Describe the structure and function of each blood vessel.

Answer 6

Arteries = carry blood away from heart they are strong due to high blood pressure
Veins = carry blood to the heart, weaker due to lower blood pressure
Capillaries = Allow materials to pass into and out of the capillaries. Thin and weak.

Question 7

Describe the structure of the heart.

Answer 7

Chambers = the different areas in the heart (top 2 are atria) (bottom two are ventricles)
Septum = muscular wall inside the heart
Heart valves = valves in the heart that make sure blood flows only one way.

Question 8

Label a diagram of the heart and state the function of each part of the heart.

Answer 8

draw diagram

Question 9

Describe how blood flows through the heart and around the body. Draw a diagram

Answer 9

pg 59 learn off by heart

Question 10

Explain what causes a pulse and what factors affect the pulse rate.

Answer 10

When blood is pumped through arteries the pressure causes the arteries to expand causing a pulse. This can rise due to cells in our body needing more oxygen when we exercise.

Question 11

What happens to blood in different parts of the body.

Answer 11

PG 63 diagram learn off by heart.