Explanation:
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The blood get it's greatest pressure from the heart. The heart pumps the blood out.
state the uses of excretory products in plants
Carbon dioxide, excess water produced during respiration and nitrogenous compounds produced during protein metabolism are the major excretory products in plants. Plants produce two gaseous waste products i.e. oxygen during photosynthesis and carbon dioxide during respiration.
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If she is O+ then others of O+ and O- can donate to her. If she is O- then only those with O- can give blood to her.
