Adaptations

• Red blood cell function?

  carry oxygen around the body
• Give three adaptations of a red blood cell

  1. no nucleus so more space to carry oxygen 2. contains red pigment haemoglobin which binds to and carries oxygen 3. has bi-concave disc shape to increase surface area
• Nerve cell function?

  carries electrical impulses around the body
• Give two adaptations of a nerve cell

  1. long to cover a large distance 2. branched endings to form a network of connections to other cells 3. myelin sheath insulates the axon
• Sperm cell function?

  fertilises an ovum (egg)
• Give two adaptations of a sperm cell

  1. tail so cell can move towards egg 2. contains lots of mitochondria to provide energy for the cell to move
• Palisade cell function?

  where photosynthesis takes place
• Give two adaptations of a palisade cell

  1. lots of chloroplasts for photosynthesis 2. located at the top surface of the leaf to get more sunlight
• Plant root hair cell function?

  absorbs minerals and water from the soil
• Give two adaptations of a plant root hair cell

  1. long projection so large surface area to absorb lots of water and minerals 2. lots of mitochondria as active transport needed to draw minerals and water out of soil