Biology Flash Cards 0.0 / 5 ? BiologyCells, tissues and organsIGCSENone Created by: foodlover101Created on: 15-06-17 18:18 What are the seven life processes? MRS GREN 1 of 29 What is the job of the cytoplasm? All cell activities happen here 2 of 29 What is the formula for total magnification? Objective Lens x Eyepiece lens 3 of 29 What is the job of the cell surface membrane? Controls what goes sin and out of the cell 4 of 29 What is the job of chloroplasts? To trap sunlight for photosynthesis. Contain chlorophyll. 5 of 29 What is a tissue? A group of cells doing the same thing. 6 of 29 What is an Organ? A group of tissues working together to do a job. 7 of 29 What does the rectum store? Waste material excreted by liver and unwanted food. 8 of 29 What does the small intestine do? Breaks up food to absorb its nutrients. 9 of 29 What does the large intestine do? Removes water from unwanted food. 10 of 29 What three organs does the breathing system contain? Trachea,lungs 11 of 29 What two organs does the nervous system contain? Brain, spinal cord, nerves 12 of 29 Name one adaptation of a sperm cell? Any that applies. 13 of 29 What is the job of the placenta? Supplies baby with oxygen and nutrients from food. 14 of 29 Why might a baby be born prematurely? When a mother smokes or drink too much (damages placenta). 15 of 29 How do you know when a mother is in labor? Uterus starts contarctions. 16 of 29 From what ages do children go through puberty? 10-14 years old. 17 of 29 When does puberty normally stop. 18 years old. 18 of 29 What does breast milk contain? Nutrients and antibodies for baby. 19 of 29 Name 5 changes boys go through during puberty? Any that apply. 20 of 29 Name 5 changes girls go through during puberty? Any that apply 21 of 29 What is external fertilisation? When fertilisation happens outside the female. 22 of 29 Name three types of animals that fertilise externally? Amphibians,birds and fish. 23 of 29 What is menopause? When a woman aged 45-55 stop releasing egg cells. 24 of 29 Name three functions of the skeleton? Protect organs, support body and allow you to move. 25 of 29 What are antagonistic pairs? Pairs of muscles that contract and relax to allow movement. 26 of 29 What is cartilage? A slippery substance that allow bones to slide over each other. 27 of 29 How do people feel pain? Explain receptors and stimuli. 28 of 29 How do people get energy? Respiration 29 of 29
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