Answer: Ideally, the average heartbeat per minute of an individual is 80 beats per minute.
So if an individual heart's does 80 beats per minutes, then in one hour, that'd be 80 multiplied by 60 minutes, that'd be 4800 beats per hour. In a day, we have approximately 24 hours. Therefore, the total number of heart beat in a day will be 24 multiplied by 4800 which is 115200 heart beats in a day.
Answer: d
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Say no
come up with an excuse to leave
tell them about the negative effects of drugs then say no
say you don't do drugs
tell them you can't
walk away
Answer: i believe the answer is lower back
Explanation:
The flexor muscles are in the front and include the abdominal muscles. These muscles enable us to flex, or bend forward, and are important in lifting and controlling the arch in the lower back. The extensor muscles are in the back. These muscles allow us to stand upright and lift objects
