Organisation Flashcards
What’s the definition of health ?
- The state of physical and mental well being
True or false: Communicable diseases can be spread between person to person
- True
Give two examples of non communicable diseases
- Cancer
- Asthma
What is ment by the term carcinogen ?
- Something which causes cancer
Name two organs which are effected by drinking an excess of alcohol
- Brain
- Liver
What is a group of organs working together to preform a particular function called ?
- An organ system
True or false : A tissue is a group of cells of only one type, which work together to preform a function
- False
- It can involve more than one type of tissue
What is the role of the digestive system ?
- To break down and absorb food
What is an organ ?
- A group of tissues that work together to achieve a specific purpose or goal.
Give two factors which can effect a persons health
- Diet
- Stress levels
Which side of the heart pumps deoxygenated blood to the lungs
- Right side
What blood vessel carries blood into the right atrium of the heart?
- Vena cava
What is the function of valves in the heart ?
- Stop the back-flow of blood
Describe the route in which blood takes from the lungs to the heart
- Oxygenated blood ( from the lungs enters the left atrium through the pulmonary vein.
- The blood is then pushed into the left ventricle and then exits the heart through the aorta.
What is the function of white blood cells ?
- To defend the body against infections
What is plasma ?
- The liquid which varies everything in blood
How have red blood cells adapted to their function ?
- Biconcave shape (Large surface area)
- No nucleus
What is a stent ?
- A tube that is placed inside an artery to keep coronary arteries open so oxygenated blood can flow to the heart
How do stents reduce the chance of heart attacks?
- They keep coronary arteries open to allow the blood to get back to the heart for redistribution
Name one disadvantage of stents
- There is a risk of developing blood clots
What is a tumour ?
- A mass of cells
What causes a tumour to form ?
- Tumours for as a result of cellular change which lead to uncontrolled cell growth and division
What type of tumour is cancerous ?
- Malignant
