Answer:
The word biology is about An organism is a living entity consisting of one cell e.g. bacteria, or several cells e.g. animals, plants and fungi.
Explanation:
Answer:
it depends but a good way u could figure it out is look it up online and then if u still not sure come back and ask if that answer is right
Explanation:
Vertebrate striated muscle<span> contraction is controlled (regulated) by the action of the proteins troponin and tropomyosin on the actin filaments. Nervous </span>stimulation<span>causes a depolarisation of the </span>muscle<span> membrane (sarcolemma) which triggers the</span>release of calcium<span> ions from the </span>sarcoplasmic reticulum<span>.</span>
This is because they contain air: that feeling comes from the air sacs in your body being squashed by the pressure of the water. Fish living closer to the surface of the ocean may have a swim bladder – that's a large organ with air in it, which helps them float up or sink down in the water
Sweating shaking diarrhea and cramps are symptoms of withdrawal from heroin.
Heroin is a powerful, addictive, illegal drug derived from opium. Heroin is mostly used as a recreational drug because of its feeling of great well- being and it is also used to relieve pain or in opioid replacement therapy. Heroin is commonly injected into a vein, and it can also be inhaled or smoked. The initial effect of heroin is usually fast and can last for a few hours. After the use of heroin is discontinued, withdrawal symptoms such as shaking, sweating, cramps and diarrhea can start within hours of last use.
