Membranes & Tissues
What type of epithelial membrane lines body cavities that open to the outside?
Mucous Membrane
What organelle is the site of ATP production?
Mitochondria
What are the three types of muscle tissues?
Skeletal, Cardiac & Smooth
What are the two major divisions of the skeleton?
What are the 3 layers of the skin from superficial to deep?
Epidermis, Dermis, Hypodermis
Which tissue type is responsible for covering and lining surfaces?
Epithelial Tissue
What is passive transport?
Which muscle tissue is voluntary and striated?
Skeletal Muscle
What type of joint allows the most movement?
Synovial Joints
What pigment protects skin from UV damage?
Melanin
What is the main structural protein found in connective tissues?
Collagen
Which macromolecule is the main source of energy?
Carbohydrates
What molecule binds to calcium to initiate contraction in skeletal muscle?
Troponin
What are three types of bone cells?
Osteoblasts, Osteocytes and Osteoclasts
How does the integumentary system help regulate temperature?
Sweat glands and blood vessel dilation and or constriction
What are the four primary tissue types?
Epithelial, Connective, Muscle, & Nervous
What is the difference between osmosis and diffusion?
What is the role of acetylcholine at the neuromuscular junction?
It triggers muscle cell depolarization
What is the function of yellow bone marrow?
It stores fat
Define negative feedback, what is an example?
It is a process that reverses a change- EX.) Body temperature regulation
What distinguishes serous membranes from mucous membranes?
Serous membranes line closed cavities & secrete serous fluid meanwhile mucous membranes line open cavities and secrete mucus.
It uses ATP to move 3 Na+ out and 2 K+ in against gradients
What is the sliding filament theory?
It is when actin and myosin filaments slide past each other, shortening the sarcomere.
What is endochondral ossification?
It is when bone replaces hyaline cartilage during fetal development.
What are the major functions of the integumentary system?
Protection, Temperature Regulation, Sensory Reception, Excretion, & Vitamin D Synthesis