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What Chemical enters a muscle cell upon excitation?
Acetylcholine is the chemical that crosses the synapse causing a muscle to contract. It is released due to an electrical impulse sent from your brain down your nervous system.
What is the Motor point of muscle?
Motor Point is located where the moter nerve enters the muscle. It is where the muscle is most electically exciteable.
What are the tree forms of energy involved in a muscle?
The three forms of energy involved in muscle function are chemical energy stored in ATP molecules, mechanical energy used for muscle contraction, and thermal energy produced as a byproduct of muscle activity.
Why would lungs collapse if you made a hole through the skin and muscle into thoracic activity?
The lungs has a negative pressure. When air enters that space, it fills in the lung cavity making the lungs unable to expand and collapse.
Does hypotonia mean abnormally decreased muscle function or activity?
Hypotonia means abnormally decreased muscle tone;hypokinesia means abnormally decreased muscle activity.
Does cellular metabolism pertain to the movemnet of a cell or the chemical activity of a cell?
Chemical activity
A substance that enters into a chemical reaction?
This is called a reactant.
What chemical enters the leaf used in photosynthesis?
oxygen
Twitch muscle fibers are used for prolonged activity and have?
____ twitch muscle fibers are used for prolonged activity and have ___ mitochodria. Slow; many
What is an Activity that combines muscle contraction with repeated movement?
An activity that combines muscle contraction with repeated movement is Isotonic execrise
What abdominal muscle is the stabilizer in an abdominal curl?
A curl-up on a stable surface, rectus abdominis muscle activity was 21% of MVC and external oblique muscle activity was 5% of MVC.
What Enters nutrient blood to the heart muscle?
The coronary arteries feed the heart.
