click below
click below
Normal Size Small Size show me how
Anatomy Stack 2
What is the role of the endocrine system? | The endocrine system produces and secretes hormones that regulate various bodily functions such as metabolism, growth, and reproduction. |
Identify the components of the axial skeleton. | The axial skeleton consists of the skull, vertebral column, and thoracic cage. |
Explain the sliding filament theory of muscle contraction. | The sliding filament theory describes how muscles contract by the sliding of actin over myosin filaments, shortening the |
What are the main functions of the integumentary system? | The integumentary system serves as a protective barrier, regulates body temperature, and provides sensory information through the skin, hair, nails, and associated glands. |
Explain the significance of the blood-brain barrier. | The blood-brain barrier is a selective permeability barrier that protects the brain from potentially harmful substances in the bloodstream while allowing essential nutrients to pass through. |
What is the role of the autonomic nervous system? | The autonomic nervous system regulates involuntary bodily functions, this includes heart rate, digestion, respiratory rate, and reflexes, through its sympathetic & parasympathetic divisions. |
Identify the primary hormones secreted by the thyroid gland. | The primary hormones secreted by the thyroid gland are thyroxine (T4), triiodothyronine (T3), and calcitonin. |
Describe the role of alveoli in the respiratory system. | Alveoli are the tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place between the lungs and the bloodstream. |
What are the main components of blood? | The main components of blood are red blood cells, white blood cells, platelets, and plasma. |
What is the primary function of the cardiovascular system? | The primary function of the cardiovascular system is to transport nutrients, gases, hormones, and waste products throughout the body, thereby maintaining homeostasis. |
What are the main components of blood? | The main components of blood are red blood cells, white blood cells, platelets, and plasma. |