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Ch-8 (motion)

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Sternum is a long flat bone. It is 15 centimetres in length. It is divided into three segments 1. Manubrium 2. Body 3. Xiphoid process Upper part manubrium It is quadrilateral in shape. It's lateral border joints with first rib pair. It's clavicular notch medial end of clavicle bone articulates. Body or middle part It lateral border forms joint with lower part of 2nd C.C. and 3rd C.C. to 6 C.C. and upper half of 7th C.C. Lower part or xiphoid process Smallest part, lower part of 7th C.C. articulates. More anatomy notes available  click here

NCERT Solutions for Class 9 Science Chapter 6 – Tissues are one of the most important topics in the CBSE exam. The faculty have curated the solutions in a lucid manner to help students understand the concepts.  Q.1)WHAT IS THE DIFFERENCE BETWEEN MERISTEMATIC AND PERMANENT TISSUE? Q.2)WHAT IS CONNECTIVE TISSUE? Q.3) WHAT ARE THE LOCATION AND FUNCTIONS OF AREOLAR AND ADIPOSE TISSUE? Q.4) What is collenchyma? Explain its location and what are various functions it performs? Q.5) Define tissue. Q.6) Write differences between plant and animal tissue?

Volkmann's ischemic contracture is a deformity of the hands,fingers and wrist caused by injured muscles of the forearm due to any reasons maybe accident, trauma or burn. Etiology Volkmann's ischemic contracture occurs when there is a lack of blood flow usually caused by increased pressure that results from swelling (compartment syndrome). There are 3 levels of severity 1 . Mild - flexion contracture of 2 or 3 fingers only, with no or without limited loss of sensation 2. Moderate - All fingers are flexed and the thumb is stuck in the palm, the wrist may be stuck in flexion and there is usually some loss of sensation in hand.  3. Severe - All the muscles of forearm that flexes and extends the fingers and wrist are involved, a severely disabled condition.

Poliomyelitis is a highly contagious and infectious disease. Also referred to as 'polio'. It is caused by a virus called poliovirus  . It invades the nervous system and can cause paralysis (total) within a matter of hours.  To know more  Click here Get the notes of different syndrome by clicking -  Volkmann's ischemic contracture

Myopathies are a heterogeneous group of disorders primarily affecting the skeletal muscle structure, metabolism, or channel function. They usually present with muscle weakness interfering in daily life activities. Muscle pain is also a common finding and some myopathies are associated with rhabdomyolysis. There are five types of myopathies. They are 1. Hereditary myopathy which is also called muscular dystrophy 2. Endocrine myopathy 3. Inflammatory myopathy 4. Metabolic myopathy 5. Toxic myopathy To know more about myopathy  Click here

Uterus is an important part of female reproductive system. Also known as hystera. It is a child bearing organ in female. To download the notes  Click here

SELF-TREATMENT Remedies that may reduce headache pain include aspirin, paracetamol and ibuprofen. Resting in a darkened room may also help. SEEKING MEDICAL CARE See a doctor immediately if you: 1.)Feel worse than usual 2.)Get a sudden, severe headache 3.)Become confused, slur your speech or faint 4.)Have one-sided numbness or paralysis, or trouble seeing, speaking or walking 5.)Develop a fever higher than 102°F (39°C) Experience nausea or vomiting 😊Make an appointment to see a doctor if you: 1.)Start having frequent headaches 2.)Are getting worse over time 3.)Can't work, sleep or do daily activities 4.)Don't improve with self-treatment

1. REVISION QUESTIONS 2. REVISION QUESTIONS 3. REVISION QUESTIONS 4. REVISION QUESTIONS 5. REVISION QUESTIONS 6. REVISION QUESTIONS 7. CHAPTER -14 RESPIRATION 8. Sternum notes