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Bella S1
Organ Systems
| Question | Answer |
|---|---|
| What is the name for the tube that connects your mouth to the bronchus | Windpipe or Trachea |
| What is the name for the sheet of muscle under your lungs which is necessary for breathing? | Diaphragm |
| What direction does your diaphragm move when you inhale? | Down |
| What direction does your rib cage move when you exhale? | DOWN and IN |
| What does a peak flow meter measure? | The maximum SPEED at which air can leave your lungs |
| What disease might you have if you have a lower than normal peak flow rate value? | Asthma |
| What is a spirometer used to measure? | The maximum volume of air breathed out after a big breath in |
| Vital Capacity | |
| What term is used to define the maximum volume of air breathed out after a big breath in? | Vital Capacity |
| Name a factor that can affect your Vital Capacity. | Any from age, gender, height, fitness, disease, smoking. |
| Name a factor that can affect your peak flow rate. | Any from age, gender, height, fitness, disease, smoking. |
| What is the function of the respiratory system? | To put oxygen into the blood and remove carbon dioxide from the blood (exchange of gases). |
| What is digestion? | The breakdown of LARGE INSOLUBLE food molecules into SMALL SOLUBLE food molecules. |
| What is the name of the tube that connects the mouth to the stomach? | Gullet or Oesophsagus |
| What is the function of the liver? | To breakdown poisonous substances (and produce bile). |
| What is the function of the small intestine? | To complete digestion and allow soluble foods to pass into the blood. |
| What is the function of the large intestine? | To absorb water from waste and pass waste on to the rectum. |
| What is the name of the chemical that is used to test for starch? | Iodine solution |
| What is the colour change in Iodine solution in a positive starch test? | Changes colour from redish brown to bluish black |
| What is the name of the chemical that is used to test for sugar? | Benedict's solution |
| What is the colour change in Benedict's solution in a positive sugar test? | Changes colour from blue to brick red |
| What is the liquid part of blood called? | Plasma |
| Which blood cell is the most numerous in blood? | Red blood cells |
| What is the largest of the blood cells? | White blood cell |
| What is the name of the blood cell that is needed to clot blood? | Platelet |
| What is the function of the White blood cells? | To fight disease |
| What is the function of the red blood cells? | To transport oxygen |
| In what blood vessels do you find valves? | Veins |
| In what blood vessels do you feel a pulse? | Arteries |
| What is the function of the heart? | To pump blood round the body |
| What is the heart made of? | Muscle |
| How many chambers are there in a heart? | 4 |
| What is the function of capillaries? | Delivery of nutrient to cells |
| What is the function of arteries? | To take blood Away from the heart |
| What is the function of veins? | To take blood INto the heart |
| As you look at a picture of a heart what is the name of the chamber at the top right hand side of the diagram? | The left atrium |
| As you look at a picture of a heart what is the name of the chamber at the bottom left hand side of the diagram? | The right ventricle |
| Name something carried round the body dissolved in plasma. | Sugar OR glucose OR salts OR carbon dioxide |
| Which side of a persons heart pumps blood to the lungs? | The right side of their heart |
| Which side of a person's heart pumps blood to their body? | The left side of their heart |
| Where are sperm made? | Testes |
| Where does fertilisation take place? | Oviduct |
| Where does an embryo implant in a femal's body? | Uterus |
| What propotion of an embryo's gentic information comes from each parent? | Half (50%) |
| What is fertilisation? | When the nucleus of the sperm fuses with the nucleus of the egg forming a zygote. |
| What connects the placenta to the foetus? | The umbilical cord |
| What is the function of the placenta? | It allows the transfer of materials between the baby's and the mother's blood. |
| How many cell structures are in both plant and animal cells? | 3 |
| Name the three structures that are in both plant and animal cells? | Cell membrane, cytoplasm and nucleus |
| What three structures are found in plant cells but NOT in animal cells? | Cell wall, Chloroplasts and vacuole. |
| What is the function of the nucleus? | Control centre of cell / contains DNA |
| What is the function of the cytoplasm? | Site of chemical reactions |
| What is the function of cell membrane? | Controls what enters or leaves the cell |
| What is the function of the cell wall | Gives cells support |
| What is the function of the vacuole? | Contains cell sap |
| What is the function of the chloroplast? | Site of photosynthesis |
| Name a harmful substance that can cross the placenta and harm the foetus. | Alcohol, heroin, nicotine, zica virus, chickenpox virus, German measles virus, thalidomide, nicotine, cannabis, cocaine, cytomegalovirus etc |
Created by:
nscobie
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