Circulation

Question 0

Blood

Answer 0

Watery plasma, red blood cells,white blood cells and platelets

Question 1

Circulation system

Answer 1

Blood, arteries, veins, capillaries and heart

Question 2

Red blood cells

Answer 2

Contain haemoglobin to carry oxygen

Question 3

White blood cells

Answer 3

Fights diseases and protects the body and makes antibodies

Question 4

Platelets

Answer 4

Clot blood

Question 5

Functions of blood

Answer 5

Transport (red blood cells that carry oxygen) and protection (white blood cells)

Question 6

Arteries

Answer 6

Thick walls, narrow lumen(gap) ,no valves and carry blood away from the heart

Question 7

Veins

Answer 7

Thin walls, wide lumen, valves and carry blood to the heart.

Question 8

Capillaries

Answer 8

Link arteries and veins. Walls are one cell, which allows for passage of materials.

Question 9

Cardiac muscle

Answer 9

The muscle in the heart that never tires

Question 10

Four chambers of the heart:

Answer 10

Right and left atria, right and left ventricles.

Question 11

Left ventricle:

Answer 11

Has a thick wall because it pumps blood all a around the body.

Question 12

Normal body temperature:

Answer 12

37 degrees Celsius.

Question 13

Average resting heart rate:

Answer 13

70 bpm

Question 14

Heart disease is prevented by:

Answer 14

Having a good diet, don’t smoke, regular exercise and avoiding stress.