Answer:
The correct answer is - 10 to 15.
Explanation:
Weight training program is a program that helps in the achieving the desired weight in a particular time and with proper training plan of action. Weight training program includes repetitions and sets.
Repetitions or the rep is the number of times you perform a specific exercise and sets are the cycles of the reps in a particular exercise. In age of 50 the number of reps are 10 to 15 as per individual.
Thus, the correct answer is - 10 to 15.
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Answer:
INTERNAL:
Some teens may use Narcotics due to depression or anxiety, narcotics may be the only way they think they can “escape” it. A reason a teen might choose not to use is that they have self morals that are against using drugs/narcotics.
EXTERNAL:
Some teens may use narcotics due to peer pressure or troubled home issues (divorced parents, abusive parents, etc.). Some teens may choose not to use narcotics because they’re parents are very strict and they will punish the teen or the teen has friends telling them not to use drugs/narcotics.
I really hope this helps!! :)
Answer:
b. It keeps alveoli from collapsing with breaths.
Explanation:
Surfactants are highly surface active agents which are formed from a protein and lipid complex. It comprises of a hydrophobic and hydrophilic portion and its sole purpose is to control the tension at the air-liquid interface and thereby lower the surface tension. Surfactants are produced by the type II aveolar pneumocytes in the lungs.
Surfactants are needed in order to aid breathing and prevent straining oneself, it also prevents the lungs from collapsing during breathing, a term known as atelectasis.
