atrophic
How many bones are in the skeletal system?
206
Why is the warm-up portion of a workout important? How long should you warm-up?
The warm-up portion of a workout gets your body ready to perform. This portion should only take about 5-7 minutes.
Why is sleep so important?
The amount of rest you get is directly related to your body's resistance to disease.
All muscles are attached at both ends. What are the two end points called?
The origin and the insertion
Long bones, short bones, flat bones, and irregular bones
What are aerobic exercises? Name two types of aerobic exercises.
Aerobic exercises increase the ability of the circulatory system to transport and process oxygen. Two types of aerobic exercises are quick sprints and swimming.
True or false: Children and adults require more sleep than teens.
False: Children and teens require more sleep than adults because of the growth taking place in their bodies.
Muscles are exercised when they are required to _____.
Name the different types of joints.
Immovable joints, slightly movable joints, and freely movable joints
What is an aerobic cool-down and why is it important?
An aerobic cool-down is a 5-10 minute exercise (such as a slow paced walk) that allows you to slowly recover your blood pressure and heart rate.
Name the 3 reasons why bodily movement is so beneficial to your overall health.
It reduces the amount of strain on the heart muscle, circulates blood more efficiently, and aids in the transportation of other body fluids.
Name the muscular system's major functioning groups (5).
Arms, upper and lower back, chest, abdomen, and legs
How does a sprain or dislocation occur?
When a joint is forced against its normal range of movement.
What is the main role of the respiratory system in exercise?
To provide your body with more oxygen so that your body can remain active. The more active you are, the more oxygen your body needs.
Why does acne occur? What is the best way to treat it?
It occurs due to the inflammation of the sebaceous glands that are located just beneath the surface of the skin. The best way to treat it is to keep your face and hair clean to avoid the excess buildup of oil.
Which system helps supply your muscles with enough nutrients so that they become stronger?
The circulatory system
Think of the cranial bones (bones that make up your skull and cover your brain) and their supporting joints. How would you classify these bones and the joints that surround them?
Irregular bones & immovable joints
True or false: Scientists estimate that there are 600 alveoli in the lungs.
False; 600 million
When trying to treat acne with medication, what ingredient is important for the medication to contain?
Benzoyl peroxide