Mark Brainliest please
Answer is 3&4
Apply direct pressure on the cut or wound with a clean cloth, tissue, or piece of gauze until bleeding stops
If the wound is on the arm or leg, raise limb above the heart, if possible, to help slow bleeding.
ATP-driven pumps will move Ca ++<span> out of the sarcoplasm back into the SR. This results in the “reshielding” of the </span>actin<span>-binding sites on the thin filaments. Without the ability to form cross-bridges between the thin and thick filaments, the </span>muscle<span>fiber loses its tension and relaxes.</span>
In both positive and negative reinforcement, the target behavior is encouraged. The method of encouragement is the difference between the two. In positive reinforcement, a pleasant consequence is added as a result of the behavior. In negative reinforcement, an unwanted or unpleasant consequence is removed as a result of the behavior.
Hello!
• You could fall down stairs if something's blocking your vision, such as a blindfold. (You wouldn't be able to see the steps)
• If the steps are too far apart, it might be hard to get down . This could result in someone falling downstairs.
• If a person pushes another person who's standing at the top of a flight of stairs, they could fall down and severely injure themselves.
• If someone's dancing, running, carrying too much stuff, or is distracted by something like their phone, that's another way they could fall off.
