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Respiration
SCIENCE 2ND YEAR
Question | Answer |
---|---|
What is respiration? | It is the release of energy from food. |
Food+oxygen=? | Energy+Carbon dioxide+water. |
Where does respiration happen? | In the cells of the body. |
What is the larynx? | It makes sound for the voice. |
What are red blood cells? | -They give blood its red colour. -They contain haemoglobin which carries oxygen. -They are disc shaped and thicker at the edges. |
What are white blood cells? | -They have no definite shape. -They protect the body against disease(produce antibodies). -They have a nucleus. |
What are platelets? | -They are fragments of cells. -They help the blood to clot. |
What is plasma made up of? | It is made up of 95% water? |
What does plasma do? | It dissolves substances like glucose, hormones, amino acids and carbon dioxide. |