Answer: All the options are correct.
Explanation:
A pericardium is the sac that compass the heart , protects , lubricate and keep it in place.
The functions of pericardium are:
1. It keep the heart fixed in its place in the chest cavity.
2. It prevent the heart from stretching and overfilling with blood I.e it minimize blood infow.
3. It prevents friction by lubricating the heart.
4. It protects the heart from infection that might be nearby either from lungs or other organs.
<span>treadmilling is the answwer</span>
Answer:
Explanation:Unlike the other senses, which are located at specific body parts, touch is a sense that is all over your body. Almost any part of the skin is able to sense touch. And although most of us take the sense of touch for granted, without it we would be in big trouble
Can you please specify? Are there any answer choices, What are the moving objects in question?