Human Circulatory System

Question 0

Blood

Answer 0

Plasma blood cells

Question 1

Blood vessels

Answer 1

Artireys veins capillaries

Question 2

Red blood cells

Answer 2

Harmoglobin to carry oxygen
No nucleas
Disc-shaped
Made in the bone marrow

Question 3

Haemoglobin

Answer 3

Carry oxygen

Question 4

White blood cells

Answer 4

Fight infections , produces antibodies , nucleas present , no definite shape

Question 5

Platelets

Answer 5

Blood clotting , no nucleas , bits of cells

Question 6

Plasma

Answer 6

90% water , carries the platelets amd red and white blood cells , carries dissolved substances (10%) e.g glucose ,proteins ,urea

Question 7

Functions of blood

Answer 7

Transport , defence against disease , clotting

Question 8

Arteries

Answer 8

Carry blood away from the heart

Question 9

Capillaries

Answer 9

Connect arteries and veins

Question 10

Veins

Answer 10

Carry blood back to heart

Question 11

Valve

Answer 11

To stop backflow of blood

Question 12

Cardiac muscle

Answer 12

Doesn’t fatigue or tire

Question 13

Heart

Answer 13

Is a pump that is located slightly to the left hand side of your chest

Question 14

Heart rate

Answer 14

The average rate of an adult heartbeat is 70 beats per minute

Question 15

Arteries

Answer 15

Arteries bring blood away veins bring blood to the heart

Question 16

Why exercise

Answer 16

Strengthens our lungs
Strengthens our heart
Strengthens our muscles
Reduces our weight

Question 17

Heart disease

Answer 17

Small arteries on the way to the heart become clogged with fat
Reduce the risk of heart disease 
Excersice regularly 
Eat a healthy diet
Don't smoke