Answer:
False
Explanation:
They carry deoxygenated blood away from the right side of the heart and into the capillaries of the lungs for the purpose of gas exchange.
I hope this helps, and as always, I am joyous to assist anyone at any time.
Answer:
All answers are correct
Explanation:
Nutrients are needed for all of this
Answer:
A vaccinations helps your body build up an immune system to that sickness. Personal health choices can be anything from washing your hands, to wearing a mask in the store.
Explanation:
Answer:
The answer to the question: In terms of what is happening within a resting skeletal muscle cell, why are myosins not able to attach to the thin myofilaments, would be: because there is no presence of calcium ions to enable to fusion of the two.
Explanation:
When muscle cells, and a muscle in general, wish to perform one of their functions, which is movement, there are some factors that need to be present in order for this to work. One vital factor is the presence of calcium ions, because it is calcium which will enable the proper formation of the myosin-actin cross bridges for movement. Basically, calcium allows the removal of the protection on these filaments and makes them active, so that they will immediately seek the formation of the cross-bridges. To stop this from happening, calcium is re-absorbed by the sarcoendoplasmic reticulum.
Answer:
The most common term referred to in first aid is ABC. This stands for airway, breathing, and circulation. A fourth step will appear in the emergency procedures for some facilities.
-Airway: Make sure the airway is clear. Choking, which results from the obstruction of airways, can be fatal.
-Breathing: Once the airways are confirmed to be clear, determine whether the person can breathe, and, if necessary, provide rescue breathing.
-Circulation: If the person involved in the emergency situation is not breathing, the first aider should go straight for chest compressions and rescue breathing. The chest compressions will promote circulation. This saves valuable time. In emergencies that are not life-threatening, the first aider needs to check the pulse.
-Deadly bleeding or defibrillation: Some organizations consider dressing severe wounds or applying defibrillation to the heart a separate fourth stage, while others include this as part of the circulation step
