Answer:
Igneous rocks contain randomly arranged interlocking crystals.
Explanation:
The size of the crystals depends on how quickly the molten magma solidified:
magma that cools slowly will form an igneous rock with large crystals
lava that cools quickly will form an igneous rock with small crystals
Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.Your muscular system is closely connected to the nervous system. That makes sense since you usually have to think before you can move. Even though thinking is not always involved, the neurons of the nervous system are connected to most of the cells in your muscular system.
Answer:
The answer is D!
Explanation:
"Genes are regions of DNA that carry the code for making proteins."
