biology

• What is the skeleton needed for?

  Support, movement
• Show me where the ribs, skull, clavicle, patella, femur and ulna is
• How are bones joined to other bones?

  Ligaments and joints
• What is a synovial joint?

  a joint which can move in all directions
• Can you name more bones in the body
• How do muscles help us move?

  Contraction
• What joins muscles to bone?

  Tendons
• What are pairs of muscles called that work together?

  Antagonistic pairs
• How do the biceps and triceps work together to bend and straighten your arm?

  one contracts and the other relaxes
• How do muscles and bones work together to enable you to inhale and exhale?

  Diaphragm
• How does the pressure change in the lungs when you inhale and exhale?

  inhale: decreases Exhale: increases
• What does the balloons and rubber sheet in of the bell jar model represent?

  the balloons represent your lungs and the rubber sheet represents diaphragm
• How do you measure lung capacity?

  with a spiro meter
• Which parts of the body make up the gas exchange system?

  Lungs
• What is the pathway that air must travel through to get to the alveoli?

  Trachea, bronchi, bronchioles
• What diffuses into the blood from the alveoli?

  Oxygen
• What diffuses out of the blood into the alveoli?

  carbon dioxide
• how are the alveoli and capillaries adapted for efficent gas exchange?

  Surface area.
• What are the 7 life process?

  Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition.
• Which living things do all the life processes?

  Organisms.
• What is excretion?

  Getting rid of waste
• What is sensitivity?

  detection changes in the enviroment
• What is reproduction?

  producing offspring
• What is nutrition?

  Requiring food
• What is respiration?

  Series of chemical reaction to release energy from food
• Which organelles are found in an animal cell?

  Nucleus, cytoplasm, cell membrane, mitochondria
• Which organelles are found in a plant cell?

  Cytoplasm, nucleus, vacuole, mitochondria, cell wall, cell membrane
• What is the function of the nucleus?

  Contains DNA and conrolls the cell
• What is the function of the cytoplasm?

  Where chemical reactions occur