Answer: Carbon-14
Explanation:
Carbon dating the procedure which is used for the substances which is used to date the substances less than 40,000.
This method is based on an unstable isotope of carbon that living animals and plants incorporate inside it.
When the organisms are alive the ratio of stable isotope inside the organism is same to the ratio that is found in the atmosphere.
As the organism dies the carbon 14 gets converted into nitrogen 14. By measuring both the ratios, the relative age can be determined.
1. neurons
2. muscle cells
3. red blood cells
4. sperm cells
5. leukocyte
im not 100% sure but i hope this helps :)
Your respiratory system relies on your circulatory system to deliver the oxygen it gathers, while the muscles of your heart cannot function without the oxygen they receive from your lungs. The bones of your skull and spine protect your brain and spinal cord, but your brain regulates the position of your bones by controlling your muscles.
Cya broski
Answer: 1930s
The term stress as it relates to the human condition first emerged in scientific literature in the 1930s, but it did not enter the popular vernacular until the 1970s (Lyon, 2012).
Hope this helps :)
Answer:
Explanation:
How to perform perineal care
Gather supplies.
Provide privacy for the patient.
Wash hands and put on gloves.
With the patient on their back, instruct them to open their legs.
Cleanse the perineum, using front to back motions. ...
Never wash back to front; this causes contamination and can cause infections
