Answer: The four common traits of all muscles are Excitability or Irritability, contractibility, extensibility, and elasticity. Muscle tone refers to the ability of muscles to be slightly contracted at all times, even when not in use.
Explanation:
Answer:
Protien-chicken, tuna
Fruits-Apples, Bananas
Grains-Rice,
Dairy-Milk, Yogurt
I don't get what's so tough about this.
Answer:
B. Smooth muscle in the tunica media
Explanation:
Arteries contains elastic and smooth muscle fibers that helps in contraction and expansion, respectively. The smooth muscle fibers are present in the tunica intima which is the thickest and middle layer of arteries.
Connective tissues and endothelium don't play a direct role in contraction or expansion. However, elastin proteins helps in contraction.
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<span>The mitral valve does this between the left atrium and ventricle. The "lub" is the sound of the tricuspid and mitral valves closing. Each of your heart's ventricles has an outlet valve. The right ventricle uses the pulmonary valve to help move blood into the pulmonary arteries.</span>
The best answer is the first choice. 'You can't have a healthy relationship without openness, affection, and trust.' This is why emotional intimacy is just as important as physical intimacy.
I hope this helps!
