<span>D is the correct answer. It is important for fitness centre staff to be certified so they can provide safe instruction, and friendly and helpful so the customer would like to return.</span>
The main organ of the respiratory system is the lungs.
They are just from shaving. Or if your really cold it is goessebumps
Answer:
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
Answer: Option B
Explanation:
Cheerleading requires stamina for a longer period of time. This activity requires more energy and one who is training for cheerleading needs to get training for working on her body.
Rae is getting training for this activity as she has started 45 minutes roller blading for enhancing her endurance.
After rollerblading her heart rate is 128 beats per minute but she wants a heart beat of 140-170 beats per minute. For this she should skate on the hills in the park to get more strength and increase the cardio respiratory process.
