4 Main tissue types in the human body ✔️Ans -Connective tissue, epithelial
tissue, muscle tissue, and nervous tissue.
Function of integumentary system (Skin) ✔️Ans -Protects your body from
infection and injuries from external environments.
Epidermis ✔️Ans -Outermost layer of skin. Protection from outside
environment. Contains melanin to determine your skin color.
Dermis ✔️Ans -Support and protection. Assists in thermoregulation and
aids in sensation. Connective tissue.
Subcutaneous tissue ✔️Ans -Provides insulation, regulates temperature,
and stores fat. Attaches other skin layers tp bones and muscle.
Accessory structures of integumentary system (Skin) ✔️Ans -Hair, nails,
sweat glands, sebaceous glands (Oils).
Long bone of cow ✔️Ans -Image ->
Skull bones ✔️Ans -Image ->
Upper limb bones ✔️Ans -Image ->
Lower limb bones ✔️Ans -Image ->
Reflex vs Reaction ✔️Ans -Reflex is an involuntary reaction to stimulus,
while reactions are voluntary.
Reflex Arc ✔️Ans -Sensory Receptor -> Sensory Neuron -> Interneuron ->
Motor Neuron -> Effector
Somatic Spinal Reflex ✔️Ans -When a reflex is processed by spinal cord
and not the brain.
Patellar Reflex: Knee cap tapped by reflex hammer.
Plantar Reflex: Toes curl when object is rubbed on bottom of foot.