The nervous system consist of the brain, spinal cord and nerve fibers. Exercise Improves the brain
Radio waves from smartphones may be carcinogenic - Mobile phones and their towers generate radio waves. Several studies have suggested that though low frequency radio waves aren’t harmful to humans, but over exposure to them may lead to tumours in the body.
Smartphones cause anxiety, increased stress - Cancer aside, smartphones cause a variety of health issues. They have been found to increase anxiety and mental stress in teens. Mobile radiations may also cause learning disabilities and lowered IQ in infants, according to some reports.
Answer:
The correct answer is- vigorous
Explanation:
Talk test method is used to estimate the appropriate intensity of cardiorespiratory exercise. The intensity at which the exerciser can barely talk and conversate that intensity is considered safe and appropriate for the improvement of cardiorespiratory fitness.
In a talk test method if anyone can comfortably talk but not able to sing than that person is doing moderate-intensity activity and if a person can barely talk in a continuous manner and too out of breath to easily carry on a conversation than the person is exercising at vigorous intensity level.
Answer:
Transports oxygen from the lungs to body cells.
Transports carbon dioxide from the cells to the lungs.
Explanation:
The blood is a tissue that is formed basically of plasma and cells, some nutrients and some hormones. The main function of it is the transportation of oxygen from the lungs to the rest of the cells of the body trough all the veins and arteries. At the same time meanwhile is passing in different organs and tissues, is collecting the carbon dioxide that is one of the body wastes to the lungs and then to outside human body.
In the blood there are some hormones but they are not produce in the blood.
Hope this info was useful.
Answer: um i think 52 maybe sory if this answer was not helpful
Explanation:
