(Kearley) 2025 Questions and
Answers 100% Pass
Homeostasis - ✔✔Stable internal operating conditions within the body
Example of Homeostasis - ✔✔Body temperature
What are the functions of the integument? - ✔✔1. Protection from abrasion bacterial
attack, UV radiation, and dehydration
2. Helps control internal temperature
3. Sensory receptors detect environmental stimuli
What are the layers of the skin? - ✔✔Epidermis ( Stratum basale, stratum corneum)
dermis
Epidermis - ✔✔Dead cells and living cells (several layers)
Stratum Basale - ✔✔Innermost layer of the epidermis that are mitotic and contains
melanocytes which darken the skin and protect against UV rays
Stratum Corneum - ✔✔Outermost layer of the epidermis; consists of flattened dead
cells = keratin
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, Dermis - ✔✔Layer found beneath the epidermis; mostly connective tissue (composed of
collagen and proteins); houses blood vessels, lymph vessels, oil and sweat glands, and
sensory nerves
Types of skin cancer - ✔✔Basal cell carcinoma, squamous cell carcinoma, and malignant
melanoma (causes the most deaths of the types of skin cancers)
What are the functions of your skeletal system? - ✔✔1. Interact with muscles to move
the body
2. Support and protect underlying tissues and organs
3. Depository for calcium, which is very important for muscle contraction
4. blood production
What are the different types of cartilage? - ✔✔Hyaline, Elastic, fibrocartilage
Hyaline Cartilage - ✔✔tracheal rings, end of nose, end of sternum, and in the
articulating joints
Elastic Cartilage - ✔✔External ear
Fibrocartilage - ✔✔Found in intervertebral disks
Compact Bone - ✔✔Found outside of the bone
Osteocytes - ✔✔(Bone cells) Found in the compact bone and housed in spaces called
lacunae (no space between osteocyte and lacuna)
Haversian System - ✔✔Are found in the compact bone and are composed of concentric
circles called lamellae
Canaliculi - ✔✔Tiny channels that connect Haversian Canals to osteocytes
Spongy Bone - ✔✔Found mostly in the red marrow that produces blood cells
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