Exchange of nutrients occurs in the digestive system. Exchange of oxygen occurs in lungs
Endocytosis is when a a cell engulfs material into the cell and exocytosis a form of waste where the cell gets rid of materials.
Newton's First law of motion: An object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force.
This is also known as the law of inertia
Anyways, you feel tossed around because unbalanced forces are acting upon you while riding on a roller coaster. Hope this helps!
Answer:
Explanation:
Curiosity is the stem from which experiments are born. Curiosity can lead to new innovations. Skepticism can help verify the accuracy of different innovations (i.e. medicine, technology, etc.)