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2.3 Specialised Cells
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- 1SPECIALISED CELLSBy: Safia Adam
8A - 2How many cells are in the human body?It is estimated that there is
50 trillion cells in the human
body.
- 3What are white blood cells and what do they do?White blood cells are an important
component of your blood system.
They help fight diseases and illnesses,
they are also called leukocytes.
- 4What are the brown fat cells in our bodies?Brown fat cells help produce heat
throughout our bodies, its primary
function is the thermoregulation.
In addition to heat produced by shivering muscle.
- 5What is the red blood cells and what do they do?Red blood cells carry oxygen from your lungs and release it to the rest of the body, they also remove carbon dioxide from your body. Red blood cells are made are made inside your bones, in the bone marrow, They live for 120 days then die.
- 6What are axons?The cells carry messages to each other along long distances.
- 7What are the root hairs in plants?The function of root hairs is to collect water and mineral nutrients present in the soil and take this solution up through the roots to the rest of the plant. As root hair cells do not carry out photosynthesis they do not contain chloroplasts.
- 8What are multicellular organisms?Multicellular organisms are each made up of many cells which each have their own job to do.
- 9What are the guard cells in plants?One of the paired cells in the epidermis of a plant that control the opening and closing of a stoma of a leaf.
- 10What is the heart muscle called?It is called the cardiac muscle, it makes up the heart.
- 11What is the white fat in your body purpose?Its purpose is to store energy.
- 12What is the role of the skeletal muscles?skeletal muscles are attached to bones by bundles of collagen fibres known as tendons.
- 13Thank youfor reading c:
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- Fichas sobre 2.3 Specialised Cells, creado por Safia Adam el 11/02/2019.
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- Safia Adam
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