Answer:
they are both long
Explanation:
i had this question yesterday
1. Contraction
2. Actin
3. Tendons
4. Epidermis
5. Dermis
6. Acne
7. A nerve signal from the brain arrives at the intersection of the nerve and muscle cells and releases acetylcholine from the neuron. This triggers chemical changes in the muscle cell involving ions, including Ca2+. Calcium triggers the thick filaments, made of myosin, to attach to the thin filaments, made of actin, in the muscle cell, and the myosin pulls the actin toward the center of the muscle cell. ATP causes the release of the actin fibers, allowing the muscle to relax and the process to begin again.
For Penn Foster.
The correct answer among the choices listed above is option C. It is important that a plant's phloem extends into its leaves because the phloem <span>collects the sugars made during photosynthesis and carries them around the plant. Hope this answers the question.</span>
i think that it is a generator
