it forms eltronic bonds by donating elctrons
The heartbeat has two specialised areas of muscle (the sa node and the av node) that control and synchronise the heartbeat. The rhythm of relaxation and concentration of the pacemaker sets the rythym of the heartbeat.
The cardiovascular system focuses more on pumping blood all throughout the parts of the body which mean the heart, capillaries, veins, and arteries are all involved in this. The Respiratory System is all about the gas exchange that is happening in your body which involves the lungs, oral and nasal cavities.
A nonexample is the nucleus and the contents of the nucleus, like a membrane
hope this helps
Answer:
Reproduction
Explanation:
Reproduction is a very important process which can only be carried out by living things. It plays a crucial part in ensuring the species does not go extinct because only through reproduction can you make copies of the certain being.