White blood cells, also know as macrophages or phagocytes
The amino acids<span> in a protein are bonded to </span>each other<span> with peptide bonds - hence the term for a polymer of </span>amino acids<span> is a polypeptide. There are 20 </span>different amino acids<span>, and they all share the same general </span>structure<span>. In the centre of the </span>amino acid<span>is an assymetric carbon atom called the alpha carbon. I hope that you have a good day and i hope this helps you out
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<h2>Answer:</h2>
The correct answer is option D which is bones provide structure and support to the body, while muscles move the bones.
<h3>
Explanation:</h3>
- The muscles are composed of muscle cells, 3 layers of connective tissues are also associated with muscles.
- Muscles are soft tissues of body which have ability to contract and relax.
- Bones are hard tissues composed of collagen fibers and inorganic minerals. Muscles are attached with bones. Due to hard structure, bones provides support and structure to body. While muscles are attached with bones, and their contraction and relaxation is the cause of movement
The hearts contraction that maintains our blood pressure allowing us to breathe and exchange gases at all levels of respiration, ensuring oxygen is provided to all cells of the body, and waste products are eliminated.
Answer: The body systems that are involved are:
--> Nervous System and
--> muscular system.
Explanation:
The body is made up of different organ systems which usually works together to bring about proper functioning of the living organism. Examples of the body systems includes:
--> The nervous system: This system enables the animal to detect and respond to stimuli rapidly.
--> The muscular system: This system enables the organism to move from one location to another.
Both the nervous system and the muscular system work together to bring about coordination of activities. When you step on a tack and jeck away, sensory receptors detects stimuli from the external environment and pass the information received as an electrical impulses to the brain through the nerve fibres. The information is processed in the central processing region which is the brain.
The effectors such as the muscles goes into action upon receiving nerve impulses from the brain. Such actions includes muscular contractions which helps you to pick up the tack and put it on your desk.