♥ A Light source is the white circle seen while looking through a microscope.
The answer is any cell from the same organism.
The inside of your nose is called the nasal cavity. A mucous membrane lines your nasal cavity and it helps keep your nose moist. Little hairs inside your nasal cavity help filter the air you breathe in and block dirt and dust from getting into your lungs.
Here's the link for you to go more in-depth on your own. http://sciencenetlinks.com/student-teacher-sheets/mechanics-respiration/#:~:text=The%20inside%20of%20your%20nose,from%20getting%20into%20your%20lungs.
The three muscles that are usually used for intramuscular injection are deltoid muscle, vastus lateralis muscle and gluteus medius muscle. The one most often used for babies I think is the deltoid muscle. Please ask if you need more explaining or if you need anything else. I hope this helps. :D
