cells and organisation ks3

What are groups of similar body cells working together called?

• specialised cells

• tissues

• organs

• organ systems

Examples of organ systems are -

• circulatory system

• respiratory system

• muscular system

• nutrition system

• nervous system

What is the function of the nerve cell?

• send and receive electrical signals to and from the brain

• send and receive parcels to and from the brain

• stop signals being sent to the brain

• send and receive oxygen to and from the brain

Guess who I am? I am a jelly-like material that makes up the bulk of the cell. All chemical reactions occur here.

• Jellyfish

• cytoplasm

• chloroplasts

• vacuole

Which cell does not contain a nucleus?

• palisade cell

• Phloem cell

• red blood cell

• nerve cell

What is this cell under a microscope?

• animal cell

• plant cell

What is the function of the mitochondria?

• the site of photosynthesis

• absorbs energy from the sun to help the plant make glucose

• provides pressure for the cell, keeping it firm and in shape

• site for ATP (energy) production

What is the role of the nucleus in a cell?

• converts glucose and oxygen in the form of energy

• surrounds the cell and contains cytoplasm

• controls what goes in and out of the cell

• contains DNA which controls the reactions inside the cell

What is the cell theory?

• a fundamental theory of biology
• a town in Indiana
• a tool to view small things

Which is a statement from the cell theory?

• cells are a basic unit of matter
• cell do not exist
• cells are the the basic unit of structure and function for living things
• cells make up only inorganic compounds