Answer:
Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as by holding a heavy book or a dumbbell at the same position. The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state.
Explanation:
Answer:
Subtract your heart's resting rate from your maximum rate. For example, if you are 40 years old, subtract that number from 220; your maximum rate is 180. Next, subtract your resting rate or 80 in this example. Your heart-rate reserve is 100 beats per minute.
Answer:
c. collagen is the correct answer.
Explanation:
Collagen is the main protein found in connective tissue and skins and it makes different body parts(skin, tendons, muscles, and ligaments)
Collagen function is to give strength to bones and structure to the skin.
Vitamin C is an essential part of a healthy diet and a good source of vitamin C are citrus fruits and green vegetables.
Vitamin C directs the synthesis of a structural protein called collagen.
The function of Vitamin C in the production of collagen is to combine with the amino acids(glycine, proline, hydroxyproline)in collagen cells.
Vitamin C stabilizes the collagen messenger RNA and increase the synthesis of collagen.
When there is a deficiency of vitamin C it leads to anemia, skin problems, gum diseases, and weakness.
Answer:
El tener un buen sentido del humor se asocia con mejor salud y actitud ante la vida
Explanation:
- El sentido del humor es una actitud humana de tomarse la vida con alegría y liciviandad. grasias al sentido del humor, Las persona puede enfrentar situaciones complicada sin perder los estribos ni amargarse
Answer:Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination.
Explanation:smart
