Quiz

• muscular system

  • is composed of specialized cells called muscle fibers
  • It permits movement of the body, maintains posture and circulate blood
• cardiac muscle

  • or myocardium is a specialized type of muscle that forms a heart
  • are involuntary muscles that contract rapidly but do not fatigue
  • control the contraction and relaxation of the heart
• Skeletal muscle

  • comprise 30% to 40% of your total mass
  • Are voluntary meaning you control how and when to work
  • muscle that connects to your bone
  • maintain posture and stabilize bones and joints
  • Protect the vital organs in the body
  • control internal movement, and generate heat
• Smooth muscle

  • involuntary regulated, not striated, not branched, and moves a single nucleolus
  • is used in vessels to maintain blood pressure and flow in the lungs, it opens and closes airways
  • in the gastrointestinal, motility and nutrition collection
• Skeletal muscle

  • gives your body shape and supports your muscle
  • provides movement and makes red blood cells
• Skull

  • is to provide structure and protection
  • protection of the brain and orbits of the eyes
• rib

  • the ribs form the main structure of the thoracic cage. protecting the thoracic organs
  • is to aid respiration
• Pelvis

  • protects internal reproductive organs. the urinary bladder, and the lower part of the digestive tract
• Femur

  • holding the weight of your body when you stand and move
• Fibula

  • is to combine with the tibia and provide stability and to the ankle joint
• Endocrine system

  • is a complex network of glands and organs
  • is a messenger system comprising feedback loops of the hormones released by interval
• pituitary gland

  • plays an important role as a controller
  • is often referred to as the "master gland"
  • also secretes antidiuretic hormone( ADH )
• Thyroid gland

  • Regulation of weight energy levels, internal temperature skin, hair, nail growth, metabolism
• Adrenal gland

  • secretes adrenaline
  • adrenaline triggers the body's fight-or-flight response
  • it plays a role in metabolism, attention, focus, panic and excitement
  • abnormal levels of adrenaline
• Pancreas

  • secretes insulin and glucagon
  • Glucagon - keeps blood glucose from dropping too low
  • Insulin - is produced to keep blood glucose from rising too high
• ovaries

  • Secretes estrogen and progesterone
  • estrogen - regulating menstrual cycle
  • progesterone - prepares the body for pregnancy
• testicles

  • testosterone is an androgen that is produced in the testes
  • development of male accessory sex organs
  • regulates spermatogenic and libido
  • regulate bone mass, fat distribution, muscle mass and strength
• 3 types of Muscle

  1. cardiac
  2. skeletal
  3. smooth