Answer:
Internal forces are those forces which exert on each other when the bodies are part of the system. The forces acting between the atoms of molecules that keep them together are example of internal force.
Explanation:
Answer: option D) glucagon and insulin
Explanation:
The hormones glucagon and insulin are secreted by the islets cells found in the pancreas. Specifically, alpha cells of the islet produce glucagon, while its beta cells produce insulin.
Both hormones operate in opposite action, glucagon respond to low blood sugar levels while insulin respond to high blood sugar levels.
Answer:
true
Explanation:
soil=plants humans need these for food
minerals= help body growth
rock= home base of minerals and used for homes sometimes
•a diagram that shows relationships between producers and consumers
If its a heart its circulatory, lungs respiratory, kidneys excretory, brain nervous, stomach digestive, hormones endocrine, skin integumentary, lymph nodes lymphatic, bone skeletal, muscle muscular, thymus immune system.
But if you can show a pic i could try to answer it more specifically.