TRANSPORT IN HUMANS

Question 1

WHICH ARTERY CARRIES OXYGENATED BLOOD AROUND THE REST OF THE BODY FROM THE HEART

Answer 1

aorta

Question 2

WHAT VIEN DOES THE OXYGENATED BLOOD COME THROUGH INTO THE HEART FROM THE LUNGS

Answer 2

pulmonary vein

Question 3

WHICH ARTERY CARRIES DEOXYGENATED BLOOD TO THE LUNGS FROM THE HEART

Answer 3

pulmonary artery

Question 4

WHAT VEIN DOES THE DEOXYGENATED BLOOD COME THROUGH INTO THE HEART FROM THE BODY

Answer 4

vena cava

Question 5

ORDER THROUGH THE HEART

Answer 5

vena cava>right atium>right ventricle>pulmonary artery>pulmonary vein>left atrium>left ventricle>aorta

Question 6

NAME 3 BLOOD VESSELS

Answer 6

• vein
• capillary
• artery

Question 7

VEIN

Answer 7

• carries blood back to heart
• deoxygened blood
• valves stop blackflow
• thin muscles
• wide space inside
• low blood pressure

Question 8

ARTERIES

Answer 8

• carries blood away from the heart
• oxygenated blood
• no valves
• thick muscles
• narrow space inside
• hight blood pressure (action from the heart)

Question 9

CAPILLARY

Answer 9

• connect ateries and veins
• both carry de/oxygenated blood
• no valves
• very thin walls
• tiny vessles, close contact with cells
• low blood pressure
• slow speed allowing exchange of materials

Question 10

RED BLOOD CELLS

Answer 10

• made in the bone marrow
• no nucleus
• live for 4 months
• contain haemoglobin
• large surface area -to absorb oxygen
• shape - BICONCAVE DISC

Question 11

WHITE BLOOD CELL

Answer 11

-bone marrow and in lymphnodes
-have a nucleus
-have haemoglobin
-2 types
>phagocytes-engufs and destroys microbes
>lymphocytes-makes antibodies

Question 12

PLATELETS

Answer 12

• NO NUCLEUS
• bone marrow
• help blot clot
• fragments of cells

Question 13

JOBS OF THE PLASMA

Answer 13

-transports dissolved substances and heat energy around the body

Question 14

WHAT HAPPENS WHEN BLOOD CLOTS

Answer 14

• the platelets release chemicals that reacts with other chemicals in the plasma
• sticky threads of fibrin are made
• sticky threads make a stick mesh blood cells
• platelets get trapped making a blood clots

Question 15

WHAT FOODS CAN CAUSE CORONARY HEART DISEASE

Answer 15

-foods that contain lipids are butter, cheese and oil

Question 16

WHAT IS CORONARY HEART DISEASE

Answer 16

• fats build up in arteries and hardens them
• this forms a blood clot and can be swepted away into the coronary artery
• this will reduce the amount of blood getting to the cardiac muscle (big muscle on the heart)
• causing a heart attack

Question 17

BLOOD FROM HEART TO KIDNEY

Answer 17

renal artery

Question 18

BLOOD FROM HEART TO LIVER

Answer 18

hepatic artery

Question 19

VEIN THAT TAKES BLOOD FROM SMALL INTESTINE TO THE LIVER

Answer 19

Hepatic portal vein

Question 20

WHAT CAN REDUCE THE THE RISK OF CORONARY HEART DISEASE

Answer 20

• exercise (strengthens the heart muscles)

- less fatty foods

Question 21

LIFE STYLE OF SOMEONE WITH AN INCREASES RISK OF CHD

Answer 21

• high fat diet
• lack of exercise
• smoking
• stress

Question 22

WHAT DOES NICOTINE DO TO THE HEART

Answer 22

increases the heart rate and blood pressure

Question 23

WHAT DOES ADRENALINE DO, AND WHEN IS IT MADE?

Answer 23

• made in the kidney- adrenalin gland
• prepares the body for action
• made when someone is angry, scared or excited

Question 24

HOW DOES ADRENALIN AFFECT PARTS OF THE BODY

Answer 24

• increase heart rate
• widens blood vessels going to the brain and muscles
• narrows blood vessels to digestive system organ

Question 25

WHAT DOES THE PLASMA TRANSPORT

Answer 25

• carbondioxide
• digested food
• urea
• hormones
• heat energy