The answer to the question above is a cell.
Answer:
Humanitarian aid are the most important to famine conditions
That type of relationship is known as Parasitism
The associations are involuntary, digestive tract and arteries >> smooth; whereas voluntary, tendons, extensors >> skeletal and electrical nodes >> cardiac.
<h3>What are muscles?</h3>
Muscles are a special type of tissue that has the ability to contract in response to a given stimulus.
There are different three types of muscle fibers: cardiac muscle, skeletal muscle and smooth muscle.
Cardiac muscle and smooth muscle are involuntary muscles, whereas skeletal muscle is a voluntary muscle.
Learn more about skeletal muscle here:
brainly.com/question/1283837
The skull is the large opening in the base of the occipital bone where the brain connects to the spinal cord