<h3><u>Answer;</u></h3>
Waste
<u>Waste</u> is any unwanted substance or toxin that is expelled from organisms. Example: urea, carbon dioxide.
<h3><u>Explanation;</u></h3>
- <em><u>The body must remove waste products from the all the tissues in the body. These waste products are constantly being produced by the body tissues and must therefore be excreted, because if they are not, they will increase in concentration and may interfere with chemical reactions or damage cells.</u></em>
- <em><u>Waste products include, carbon dioxide and Urea</u></em>. They are excreted through various body system and excretory organs, which includes, kidney that eliminates water, urea and other waste products in the form of urine, lungs which eliminates carbon dioxide from the body, and skin which excretes excess water.
Answer:
When the hearts contracts
it pushes blood out of the heart
and it goes to a blood vessel of the
circulatory system.
Explanation:
Answer:
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