A 45-year-old male was working on his roof when he fell approximately 12′,landing on his feet. He is conscious and alert and complains of an ache in his lower back. He is breathing adequately and has stable vital signs. You should:
- immobilize his spine and perform a focused secondary exam.
It is A. a loss of water and essential minerals in the body
Stand up and hold a book or other object in your hand. Flex your bicep muscle and lift up the lower part of the arm that is holding the object. --> lever
Next, pretend you are kicking a ball by making a kicking motion with your leg. --> lever
Finally, sit on the edge of your chair and bring both legs up and hold them parallel to the floor and then bend them back down again. --> lever
Answer:
Cell is the basic structural and functional unit of life or body. For example, nerve cell is the functional and structural unit of nervous system, nephron forms the structural and functional unit of excretory system et cetera. When many similar cells work together to attain the same function, they form a tissue