in Humans, goosebumps is a reflex that helps with the fight-or-flight response, meaning in intense situations, we either run or fight back, depending on the situation. Since we humans evolved from being on all fours to standing upright, these goosebumps actually acted like a danger meter, protecting us from deadly predators or anything dangerous if we could.
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These tissues make up organs<span> (so for example the heart is made up of many tissues). These </span>organs<span> then work together forming </span>organ systems<span> (such as the digestive</span>system<span>, which is made from </span>organs<span> such as the stomach, intestines and rectum) to perform a particular function.
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Answer:
im pretty sure question 26 is D
Answer:
The cytoplasm, cell membrane and nucleus are the three important parts of a cell.
Answer:
Animal fossils
Explanation:
They include ankylosaurs (the armoured dinosaurs), mosasaurs and plesiosaurs (both marine reptilian groups). Seymour Island, just off the Antarctic Peninsula, is one of the most important fossil sites on Earth.
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