4.6 Circulatory System

Question 1

Red blood cells

Answer 1

Transports blood throughout the body

Question 2

Plasma

Answer 2

Yellowish liquid that’s part of the blood. Contains water food minerals and wastes

Question 3

Haemoglobin

Answer 3

THE red pigment in red blood cells

Question 4

Oxyhaemoglobin

Answer 4

Haemoglobin with oxygen molecules attached

Question 5

White blood cells

Answer 5

Cells that fight bacteria

Question 6

Platelets

Answer 6

Healing and clumping together around a wound

Question 7

Circulatory system

Answer 7

Circulates oxygen in blood to all the cells of all the body

Question 8

Arteries

Answer 8

Blood pumped away from the heart

Question 9

Veins

Answer 9

Carrys blood to the heart

Question 10

Oxygenated blood

Answer 10

Bright red blood cell

Question 11

Deoxygenated blood

Answer 11

Oxygen has been removed from blood

Question 12

Vena cava

Answer 12

Large vain leading into the top right chamber of the heart

Question 13

Left atrium

Answer 13

Where oxygenated blood from the heart enters

Question 14

Right atrium

Answer 14

Where deoxygenated blood enters

Question 15

Left ventricle

Answer 15

Pumps oxygenated blood to all parts of the body

Question 16

Right ventricle

Answer 16

Pumps deoxygenated blood to the lungs

Question 17

Valves

Answer 17

Allow liquid to flow in one direction only

Question 18

Blood pressure

Answer 18

Measures how strongly the blood is pumped through the body.

Question 19

Capillaries

Answer 19

Tubes carrying blood to body cells

Question 20

Lub dub

Answer 20

The sound made by the heart.

Question 21

Systolic pressure

Answer 21

THE higher blood pressure reading during contraction of the heart muscles

Question 22

Diatonic pressure

Answer 22

THE lower blood pressure reading during relaxation of the heart muscles