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| Question | Answer |
|---|---|
| roles of the synovial fluid | •Lubricates the joint •Provides nourishment for the cells of the articular cartilage •Contains phagocytes that remove micro-organisms and debris from the joint •Helps keep articulating surfaces from making contact with each other |
| Erythrocytes | red blood cells Transport of oxygen to cells |
| enzymes | Enzymes are biological catalysts / speed up chemical reactions / allow chemical reactions to occur at normal body temperature By lowering the activation energy |
| lock-and-key model 1 | • The enzyme is a protein and has a particular shape • That is complementary to the substrate • The enzyme is the key and the substrate is the lock |
| lock-and-key model 2 | • The part of the enzyme that combines with the substrate is the active site • When the enzyme and substrate are combined they are called an enzyme-substrate complex • The enzyme is not changed in the reaction |
| the role of ATP and ADP in cellular respiration | • The energy released from cellular respiration is used to form ATP (1) • ATP is formed when a third phosphate group is joined to ADP (1) • As this bond is easily broken, the removal of the third phosphate group releases energy for cell needs (1) |
| heart murmur | Forces the heart to re-pump the same blood / Heart works harder to pump blood (1) |
| coagulation | liquid --> solid/ semi solid blood |
| agglutination | clumping together of red blood cells |
| white blood cells pass freely through capillaries | |
| the requirements of a cell | oxygen, carbohydrates, proteins, lipids, vitamins and minerals |
| organelle | • A small subpart of a cell suspended in thee cytoplasm |
| facilitated diffusion | • A process that requires special proteins in the cell membrane, either channel or carrierr |
| • Describe vesicular transport | • An active process in which materials are moved in membrane bound sacs |
| • Define metabolism | • All the chemical reactions occurring in a living organism |
| cellular respiration | • Chemcial reaction that makes energy available to cell |
| functions of blood 1 | • Transport oxygen & nutrients around th ebody • Transporting CO2 & other waste products away from cells • Transporting chemical messages - hormones - to the cells • Maintaining the pH of body fluids • |
| functions of blood2 | • Distributing heat & maintaining body temperature • Maintaining water content & ion concentration of body fluids • Protecting against disease causing micro orrganisms • Clotting when vessels are damaged thus preventing blood loss |
| the key nutrients and wastes that are transported in the blood | Oxygen, nutrients, waste, hormones, inorganic nutrients (ions), organic nutrients: nutrients and wastes |
| functions of the pericardium | • Ensure heart doesn’t ovestretch. Holds heart in place |
| cardiac cycle | • The cycle that occurs in a single heart beat |
| • Outline how an individual’s blood type is determined | • If the blood has the antigens of that type |
| condyloid joint | two kinda ovals wrist |
| ventilation | process of inhale & exhale constant exchange of air in and out |
| components of blood | • Red blood cells – transport o2 coo2 • White blood cells – fight against infection • Plasma – goop holds shit • v plateelts – adhere to lining to form scaffolding |
| systemic and pulmonary circulations | syst heart <--> body pul heeart <--> lungs |
| Synergist | •: Muscle that helps prime mover - Can produce same movement & steady joint |
| Fixator | •: muscle that stabilises origin of the agonist e.g rotator cuff during bicep curl |
| posture & muscle tone | posture: characteeristic way of holding bidy when standing or sitting muscle tone: parrtial contraction of muscles ~depends~ |
| lymph node | • Bean, filters pathogens. Armpit, grroin Within are masses of lymphoid tissue that contain,Lymphocytes (B&T cells),Macrophages (phagocytes),Criss cross of mesh fibers • Mesh which catches microooganism attacked by macrophages via phagocytosis |
| factors that affect enzyme activity | • Temp, ph – denature • Amount of enzyme & substrate – if full no use • Continually removed,(difficult contact) cofactors (catalyst kinda), enzyme inhibitors (slow) |
| circulatory system | transport nutrients waste oxygen to and from cells |
| semi lunarr | aorrtiic pulmonary go out of hearrt |
| erythrocytes | red blood cell |
| leuocytes | white blood cell |
| thrombocytes | platelets |
| strutural | synovial catilag fibre |
| function | amount of move |
Created by:
procrast
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