Answer:
It would be the cell theory
Answer:
- The six essential nutrients are vitamins, minerals, protein, fats, water, and carbohydrates.
-The digestive system converts the foods we eat into their simplest forms, like glucose, amino acids or fatty acids.
- The function of the excretory system to remove wastes from the body.
-The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra.
-The excretory system works with the endocrine system to help maintain homeostasis. Chemical messengers called hormones signal the kidneys to filter more or less water or salt, depending on the levels of water and salt in the body.
Explanation:
Explanation:
genetic variation is important as it allowed natural selection to increase or decrease frequency of alleles already in the population. its also important to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.
- It can help prevent muscle injuries and muscle soreness
- Look better
- Muscle strength helps prevent some health problems
- strengthens bones
- keeps the heart and other parts of the body healthy
