Organs or organ systems are directly below the hierarchical organization of life. For an organism to act or function properly organ systems are needed to exist. The following are examples of organ systems that are needed by an organism:
1. Nervous System
2. Digestive System
3. Reproductive System
4. Respiratory System
5. Muscular System
6. Skeletal System
7. Endocrine System
8. Immune System
9. Excretory System
10. Circulatory System
11. Integumentary System
You’re body needs a variety of things , as well as you’re brain, to function properly. proteins,carbohydrates,minerals,amino acids etc . If you don’t consume enough of these it can negatively impact you’re health , both physical and mental.
Answer:
A.
The ability of your heart and lungs to work during prolonged exercise
Explanation:
Cardiorespiratory endurance is the ability of your heart and lungs to work during prolonged exercise. The heart is responsible for sending oxygenated blood to the rest of the organs of the body. If the heart is unable to do that, the body collapses.
Cardiorespiratory endurances means the ability of the heart to withstand long time endurances while exercising or physical exertion.
A serving size is how much of it you take for yourself, and portion size is how much out of the whole thing.
For example cheeto puffs, a serving size would be one of those little mini bags. but a portion, is probably just a section of the chips. mean serving size is how many youre going to eat but portion is just a chunk out of the entire thing
