Circulatory system

• responsible for carrying waste products
• from the cell
• Human heart location


  chest caring, between lungs slightly to Love Kels
• heset chambers


  • 14
  • Pulmasiy
  • arkend
  • ~Pulmonary unie
  • tate perium
  • right perinat
  • Jerk venbrille
• Function of Valves


  prevent back<|>flance<|>of blood<|>Make Sure flows in pre<|>Licentian
• wife at hoaks
• wing is lell
• Left side


  PLAYE bised to all parts<|>of the body
• Right side


  pumps bleed to<|>Jungs only
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• than sight
• Bipad vessels


  Fuschise of busi Hessels<|>comed<|>the<|>sease ta al parts at body
• plays bload to flave 14 them
• Types of broad unsen

  • Ackery
  • Serin Road ko at pads of the body except
  • Carries Roygenated blood
  • Lumen: Susie inside Wood
  • Learries de seggenated blood
  • Capilary
• On Let thick
• Luster can olly whow are red bleef ces be poss are himse
• Blood Components sound in blood

  • 44% red blood Lo
  • Ty white blood cell
  • 55% plasma
  • platelets
• LIA SARJAN
• BRUNEI P
• Question Mo
• Rale of


  each componARK
• red blood cell


  carries cxygen be all parts of body<|>-457 Cxygen<|>Specialised animal cell<|>contains have megas<|>no bucleus<|>has bicencave shape
• Why dear


  red blood call have covare shaped<|>increased surture ates<|>absgris mas agg
• Phogarghesis process


  1. where the engut bacteria

  2. White blood cel

  3. will backeria

  4. Produces antibodies

  5. 517 Of shed
• White blood cel


  Specialised animal cell<|>Larger their red bisal cell<|>Lee change shape to<|>engut<|>harteris
• Blond plasme


  Corries BOK WEL, Plosets, nutrients<|>55x of bloed<|>mostly water<|>Yetswish in ideut<|>many bubricats<|>are dicasived
• Platelets


  cleaks Hood<|>Lprevents exceu www.and.n<|>a sain to heal
• Pulse rate, heart rate
• and blood pressure
• Heart rate


  US<|>pulse rate<|>When a<|>heart beats a pulse is<|>is produced<|>75 BPM<|>Average pulse rate of coult<|>Different people have different heart rates<|>when<|>you<|>do exercise, heart rate increase
• Photosynthesis


  Process by which green plants can make food (glucose) and oxygen using carbon dioxide and water. Requires sunlight and chlorophyll.
• Glucose


  Simple sugar that provides energy for plants to grow or can be consumed by other organisms
• Reasons we need food

  • Repair worn out tissue
  • Maintain healthy body
  • Grow new cells and tissue
  • Provide energy for daily activities
• Groups of nutrients


  • Proteins
  • Carbohydrates
  • Fats
  • Fibre
  • Vitamins
  • Minerals
  • Water
• Proteins


  Needed to provide energy, build new cells for growth, and repair worn out tissue
• Kwashiorkor


  Deficiency of protein may lead to this
• Testing for proteins


  1. Add Biuret solution

  2. Solution turns purple if protein present

  3. Remains blue if protein absent
• Carbohydrates


  Needed to provide energy
• Foods containing carbohydrates


  • Rice
  • Bread
  • Noodles
  • Potatoes
• Testing for carbohydrates


  1. Add iodine

  2. Solution turns blue-black if carbohydrate present

  3. Remains brown if carbohydrate absent