Karteikarten
Zubayr Abdulrahman Rashid Unit 2.3 Specialised Cells
Karten in diesem Stapel (19)
- 1Unit 2.3Specialised Cells
- 2What are Multicellular organisms?Organisms with many cells.
- 3What do the cells do in Muticellular orgnaismThey all work together but they dont do the same thing
- 4How many cells does the human body contain?About 50 Trillion Cells
- 5What are the three types of muscles in your body?Skeletal, Involuntary and Cardiac Muscles
- 6Why do voluntary & involuntary muscles contain plenty of mitochondria?This is because these muscles require a lot of energy to keep working and it is the mitochondria that provide energy.
- 7What is the cardiac muscle?The muscle that makes up the heart.
- 8What do Nerve cells do?They carry information to form your brain and to other parts of your body.
- 9What are axons?Very long fibres extending from the cells.
- 10How far can the longest axon reach up to?From the base of the spine to the toes, and can be more than a metre long.
- 11What do red blood cells do?Carry oxygen from your lungs around your blood cells.
- 12What are the white blood cells job?They are part of the immune system and help the body to fight infection.
- 13What are the two fat cells in your body?Brown and White Fat Cells.
- 14What do Brown Fat Cells do?They produce heat for the body.
- 15What do White Fat Cells do?They form an insulating layer under the skin to keep you warm.
- 16What are Guard CellsAre found on the leaves and stems of plants.
- 17What are Conducting cells?Plants take in water from the soil through their roots.
- 18What are Root hairs?Extensions on the outer structure of root cells.
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