Explanation:
1. A human cardiovascular system is how your heart beats and your blood pumps.If there is any fail in a human cardiovascular system that can lead to cardiovascular disease also known as heart disease or cardiac arrest
2. The human body digestive system is what digests anything a person takes in with our tongue,salivary glands, & liver. The digestive system breaks all down all the food that we take in and separates them into different sections.
3. The function of immune system is part of our body which fights and compromises biological germs that enter our body
4. The nervous system is a function which releases a chemical that triggers
our body to become nervous
5. Your respiratory system is how long you can workout running ,cycling, and jump rope take a lot of respiratory
6. The urinary function is what flushes out the waste our of your body as urine
this is a very crucial part in a human body
Answer:
The big thing is that, in countries with high life expectancy, their old people are more likely to feel engaged. This can be a cultural difference, or it can be geographical; old people are more likely to do things if they can physically get around.
hope it helps
This depends on which sexually transmitted infection (STI) you have. Some STIs cause few or no symptoms, so you may not know you have one.
