Here is the answer. The <span>epithelial tissues that secrete hormones and other substances used in metabolism are the glands. These glands belong to the endocrine system. Hope this answers your question. Have a great day ahead!</span>
Charles Darwin used domesticated animals to provide evidence for evolution by natural selection by showing "<span>Differences between breeds show that selection can cause species to change."</span>
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Answer,
Ribosomes
Explanation,
Ribosomes are cell organelles which help to produce proteins.It contains RNA and DNA strands which help in formation of new proteins.The synthesis of proteins takes place in two stages transcription and translation.Transcription takes the information encoded to the DNA and encodes it into mRNA which heads to the nucleus inthe cytoplasm.Translation mRNA works with a ribosome and tRNA to synthesize proteins.
<span>cardiorespiratory endurance and muscular strength</span>