Biology End of year

• Whats another word for a living thing?

  Organism
• All organisms are made up of tinybuilding blocks called?


  Cells
• True or False you can see cells with your naked eye

  False
• Whats the role of the nucleus 


  it controls what the cells do
• Whats the role of a cytoplasm

  its a jelly like substance where chemicl reactions occur
• Whats the role of a Cell membrane

  this is a thin skin around the cell which holds it together
• Whats the role of the mitochondria?

  These are tiny structures inside cells for energy production
• whats the role of the cell wall?

  it gives support to the cell
• Whats the role of the vacuole?


  A large sac made for storage
• whats the role of chloroplasts?

  they contain chlorophyll which is used for photosynthesis
• what is fertilisation?


  Fusion of sperm and egg.
• what do cells need to survive?

  oxygen and glucose
• what is carbon dioxide?

  waste product of repiration
• true or false, carbon dioxide diffuses out of the cells and into the blood

  true
• label this male reproductive system

  A) testis and scrotum

  B) head of penis

  C) foreskin

  D) urhtera

  E) glands

  F) tube from bladder

  G) sperm duct

  H) erectile tissue

  
• the female reproductive system

  A) oviduct

  B) uterus

  C) vagina

  D) cervix

  E) ovary

  
• In the womans reproductive system how often do their ovaries release eggs?

  every 28 days
• what happens if the egg in a womans ovaries isnt fertilised?


  it dies within 1 day then passes out of the vagina
• what are the male gametes called?


  sperm
• true or false, the heart and its tubes dont carry blood around the body?

  false
• true or false, the blood vessels work with the heart to form a system called the circulatory system?

  true
• how are cells organised?

  a group of cells form a tissue, a group of tissues form an organ and a group of organs form an organ system
• true or false, all cells dont make carbon diocide and get rid of it?

  False
• Whats the role of the trahcea?

  air passage
• whats the role of the lungs?


  gets oxygen into the blood and gets out carbon dioxide
• whats the role of the diaphragm?

  breathing control
• whats the role of the liver?

  makes and stores substances and gets rid of others
• whats the role of the kidneys?

  they clean the blood and produce urine to excrete
• whats the role of the bladder?


  it stores urine
• whats the role of the food pipe?

  To transport food from the mouth to the stomach.
• whats the role of the small intestine?


  breaks up food and sborbs it to provide nutrition for the body
• whats the role of the stomach?

  breaks up food
• whats the role of the rectum?

  stores waste materials
• whats are some types of organisms,name two?

  plants and animals
• this is the human body

  A) trachea

  B) food pipe

  C) lungs

  D) heart

  E) stomach

  F) liver

  G) kidneys

  H) small intestine

  I) brain

  
• whats the difference between an embryo and foetus?

  Age
• what is ultrasound scans?


  it produces images of the foetus in a womans stomach
• what time is it called of the period between fertilisation to birth?


  Gestation Period
• whats the role of the umbilical cord?

  carries blood to and from the placenta
• what is it called when a womans having more than one baby?

  Multiple birth