Human Body & Physiology Articles - Page 3 — Knoji
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Get true answers from experts in Human Body & Physiology.
The nerves connect the body, brain, and spinal cord. A complete nerve cell consists of a cell body with thread-like fibers. The whole thing is called a neuron. Each one can be rather long, and transmits impulses in only one direction. Axons, on one end, conduct impulses away from the cell body. Dendrites, on the other end, conduct impulses to the cell.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +1 votes | 1 comments
The central nervous system includes the brain and spinal cord (which are also used by the autonomic nervous system). The brain and spinal cord are the switchboard, and the nerves are the wires that carry incoming and outgoing messages.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +4 votes | 1 comments
The seven top vertebra (in your neck) are the cervicals. The next 12 in your upper back are the thoracics. The next five, below that, are the lumbers in your lower back. Then come five sacral vertebra and, lastly, four coccygeal in your, so-called, "tail bone." Without that section, you could not sit properly.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +0 votes | 1 comments
There are 206 bones in the human body. Six of them are the ossicles in the ear. Infants have about 350 bones; but many of these eventually connect, forming the 206 bones in the adult. The bones provide a solid framework, supporting and shaping the body. They protect delicate or soft parts and anchor the muscles.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +4 votes | 2 comments
There are eight main types of endocrine glands: pineal, pituitary, parathyroids, thyroid, thymus, adrenals, islets of Langerhans, gonads (testes and ovaries). Located in different parts of the body, they pour their secretions directly into the bloodstream; so they are called ductless glands.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +2 votes | 1 comments
Endocrines - This is another amazing part of your body. Without your glandular secretions, you could not survive; yet, as with most of the rest of the human body, they are a bewildering complexity which could not be originated by chance.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +5 votes | 2 comments
you will learn what our body is and how it is made up and what is its function and some amazing things about our body. We have got unique and well defined body than any other species on this planet so it is our benefit to learn about it and increase our knowledge.
Published by Utkarsh Shukla 80 months ago in Human Body & Physiology | +0 votes | 0 comments
Asexual reproduction is done by mitosis, as in protozoa. Human beings reproduce by sexual methods. Each female and male possesses sex glands (gonads) which produce sex cells (gametes). When the male gamete is brought into contact with the female gamete, they unite and form a new single-celled individual (a zygote).
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +3 votes | 1 comments
Fertilization - An ovum leaves the ovary about halfway between menstrual cycles; it enters the fallopian tube and travels down toward the uterus. During intercourse, millions of sperm cells (200 million to 400 million) are discharged by ejaculation into the vagina.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +2 votes | 1 comments
Human beings reproduce by sexual methods. Each female and male possesses sex glands (gonads) which produce sex cells (gametes). When the male gamete is brought into contact with the female gamete, they unite and form a new single-celled individual (a zygote).
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +4 votes | 2 comments
Your cells must have oxygen to burn food, and air is about 20% oxygen. You breathe it in through your respiratory system. In the food-burning process, carbon dioxide is formed; your blood carries it to the air passages, where you breathe it out. Inspiration is breathing in and expiration is breathing out.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +3 votes | 2 comments
Without muscles, you could not move an inch. Muscles are connected to bones by tendons, which enable muscles to move the bones. Muscle cells are tiny elastic threads of protein, wrapped together in bundles; several bundles make a muscle.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +3 votes | 1 comments
Special senses: ear, taste, smell, touch and kinesthetic. The sense of smell is obtained through the olfactory smells, which are nerve receptors in the walls of the nasal activity. The taste receptor nerves are called taste buds. You have sensory organs in your skin, so you know when you touch or are touched.
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +8 votes | 4 comments
As with everything else in the human body, the human eye is astounding. The eye registers every new image, one immediately after the other (about 20 per second).
Published by Levy Dalumpines 80 months ago in Human Body & Physiology | +10 votes | 3 comments
Are there differences between the male and female brain? Who are the most intelligent, men or women?
Published by Aunty Ann 80 months ago in Human Body & Physiology | +24 votes | 13 comments
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