Answer:
Organs can be grouped by their function, these groups are called systems.
many types of tissues can combine to form an organ,
and
many organs grouped together are called tissue
1. eating healthy foods.
2. getting enough sleep.
3. getting enough exercise
4. managing stress
5. washing your hands consistently.
All of those things helps your immune system by strengthening it or by keeping germs away which intern helps prevent you from getting sick.
I hope this helps. Let know if anything is unclear.
Diabetes and heart disease can be found
The answer is kettlebell. Kettlebells<span> aren't anything new, but their popularity in fitness circles continues to rise—and with good reason. When used correctly, </span>kettlebells<span> are extremely effective </span>training<span> tools for providing total-body strength and conditioning. The problem is that </span>kettlebells<span> are often used improperly.</span>
Answer: alternative D.
Explanation: The animals that go through this process understand that everytime they drink the unusual-tasting liquid they will be injected, being that a very unpleasant series of events. They are conditioned, therefore, to be afraid of the unpleasantness of this process by associating pain to the actions that are part of it.