Answer:
Tendon sheaths <u>act as friction-reducing structures.</u>
Explanation:
Tendon sheaths are fibrous tissue that is around tendons to protect and make the movements of these smoother. For example, they reduce the friction of the flexors and extensors tendons of the hand. These are tendons that we constantly use to open and close our hands when we want to grab objects. Without the sheath, the tendons will not move easily, and due to the excessive use, there can be inflammation.
The sheats have two layers, one internal, which is a synovial one that produces synovial fluid to lubricate the tendon, and the external, which is a fibrous layer.
Answer:
eukaryotes may also be single celled. both prokaryotic and eukaryotic cells have structures in common . all cells have a plasma membrane or cell membrane is the phospholipidlayer that surrounds the cell and protects it from the outside environment
<span>It is vitally important to life, any form of life. Life in it's self is what we are all striving to grasp, hold and not let escape. It is the endless search for meaning to understand and comprehend.
Evolution which is the symphonic struggle of nature to overcome and create the most suitable specimen ensuring its survival within its species from its predators and the world at large.
Duplication is natures way to regenerate and strengthen the gene pool of species. It allows newer generations to improve on the genes to enable it to adapt better to the current environment is is facing. It is a constant and never ending process.</span>
Answer;
Ethnicity and religious diversity
Explanation;
William Penn's legacy was religious and spiritual diversity. He believed that no people can be truly happy if abridged of the freedom of their consciences. In a seventeenth-century world conditioned by violence, religious persecution, and arbitrary authority, Penn established an unusual colony dedicated to the principles of religious toleration, participatory government, and brotherly love.
Such a Utopian society had never been attempted in the annals of human history, and its success was reflected by the religious and spiritual diversity that became Pennsylvania's defining characteristic.