skeletal system and the muscular system,
Muscles are attached to the skeleton and work assuming that the skeleton is there; for example, there is no muscle that makes sure you don't bend the middle of your arm, as it's stable because there is a bone in it. Basically, the skeleton is a scaffolding for the muscles.
the skeletal system and the nervous system,
Many nerves run along the skeleton, or even inside the bones, and the bones protect the nerves; for example in the spinal cord
the muscular system and the nervous system.
The Nervous system controls the muscles; it sends the muscles commands
Answer:
SLEEP ON YOUR BACK OR YOUR RIGHT SIDE, THOSE POSITIONS WILL NOT HURT YOUR BACK
Answer:
Correct!
Ovulation is when the egg travels from the ovary and into the fallopian tube until eventually it enters the womb / uterus.
If the egg is fertilized then it will attach itself to the uterus wall, and the female will miss periods.
If the egg is not fertilized then it will be released along with the blood during her period.
Answer:
the thing is there is something called a punnet square 2 of each heredity from your parents and the thing is that your traits come at random not 1, 2, 3, 4
Explanation:
