Answer: B. Sarcoplasmic reticulum
Explanation: The sarcoplasmic reticulum is the name given to the organelle in the muscle cell, in charge of the storage and regulation of the intracellular calcium levels. It is the smooth endoplasmic reticulum in muscle cells, it means that it does not have ribosomes in its surface.
Option A. Incorrect. A SARCOMERE is the functional and anatomic unit of the striated muscle (skeletal muscle and heart muscle). This word comes from the greek: <em>sarkos (meat), meros (part). </em>That is reason you could find other structures of the muscle cell with this root (SARCO...).
Option C. Incorrect. "Arcolemma" this word does not exist. But if it refers to SARCOLEMMA, this word means: <em>sarko (meat), lema (cortex) </em>in greek<em>. </em>It is the plasma membrane of the muscle cells.
Option D. Incorrect. The SARCOPLASM, comes from the greek: <em>sarko (meat), plasm (matter). </em>This structure is the citoplasm of the muscle cells.
In conclusion, the word SARCOPLASMIC RETICULUM, refers to a <em>structure of the muscle cell, </em>that in this case, is the RETICULUM or the SMOOTH ER.
Answer:
so lower pressure of O2 could be dangerous as lower atmospheric pressure makes a lower pressure gradient between the body and environment, making it difficult to breathe.
Explanation:
Health and fitness programs increasingly draw from a more holistic, multidimensional model beyond physical fitness referred to as<u> wellness.</u>
There are six dimensions physical, emotional, mental, social, spiritual and environment together constitute a multidimensional model of wellness. It is holistic as it refers to the wellness of an individual in every area of his life. Wellness means to change lifestyles and live life to the fullest.
Physical by nurturing your body, emotionally by appreciating and understanding your feelings, building healthy relationships socially, strong beliefs and values spiritually, and connecting with nature for good health.
Learn more about Wellness health here,
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