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Answer:
Fibers and the Ground Substance make the extracellular matrix...
Explanation:
Connective tissue is composed of fibers, cells and the ground substance that gave the it the overall physical appearance. Chemically, the extracellular matrix is made up of minerals, water, Proteoglycans and a large network of fibrous protiens. All of these help connective tissue to maintain the structure.
Answer:
The muscular system is the set of more than 650 muscles in the body, whose main function is to generate movement, whether voluntary or involuntary.
Explanation:
The functioning of the muscular system can be divided into 3 processes, one voluntary in charge of the skeletal muscles, the other involuntary carried out by the visceral muscles and the last process is the duty of the cardiac muscles and autonomous functioning.
Skeletal muscles allow walking, running, jumping, in short, they empower a multitude of voluntary activities. Except for reflexes, which are the involuntary responses generated as a result of a stimulus. As for involuntary functioning muscles, it can be specified that they perform independently of our will but are supervised and controlled by the nervous system, they are responsible for generating pressure for the transfer of fluids and the transport of substances throughout the organism with the help of peristaltic movements (such as food, during the digestion and excretion process).
The autonomous process takes place in the heart, an organ made of heart muscles. The primary function of this muscle tissue is to contract regularly, millions of times, having to endure fatigue and weariness, or else the heart would stop.
It is D. Sponges can move but not all, they are soft not hard so not B. They do not make food they absorb it so it D
Fluffing creates a pocket of air near the bird that acts as insulation.
