Answer: If actin binding sites are covered and unavailable, the myosin will remain in the high energy configuration with ATP hydrolyzed, but still attached. If the actin binding sites are uncovered, a cross-bridge will form; that is, the myosin head spans the distance between the actin and myosin molecules.
Explanation:
Answer and Explanation:
Meditation is a way of easing and clearing the mind through physical relaxation in a certain form. Many religions have done meditation for centuries to respect their gods or their traditions. An example of this is Buddhists. They have used meditation to clear their minds. It is said that the reasoning is, "to still the mind".
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Answer:
I wish..
Explanation:
but i still have homework
The sympathetic nervous system controls the response to a threat. We perspire, breathe more quickly and get goosebumps and feel nauseated. The correct answer is c. sympathetic nervous system.
The autonomic nervous system responds to information about the body and the environment by either stimulating or inhibiting bodily functions, typically through the sympathetic or parasympathetic nervous systems.There are two primary divisions of the autonomic nerve system-
- Sympathetic
- Parasympathetic
The sympathetic nervous system controls the "fight-or-flight" reaction, which is activated by danger or stress and can lead to a number of physiological changes. Most blood vessels, including many in the epidermis, digestive tract, and kidneys, constrict when the sympathetic nervous system is stimulated. This happens due to norepinephrine, released by post-ganglionic sympathetic neurons, activating alpha-1 adrenergic receptors. Sympathetic nervous system may impact these organs while under threat or stress:eyes, heart, lungs, digestive tract, liver, and genitalia.
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Answer:
Because capillaries are only one cell layer thick, they only have a tunica intima. This ultra-thin design allows for the exchange of gases and nutrients through the capillary walls.