(2026) | Real Practice Questions | Verified
Answers | A+
• Levels of organization -✓✓chemical, cellular, tissue, organ, organ system, organism
• Tissue types -✓✓Epithelial, muscle, connective, nervous
• Epithelial tissue -✓✓covers body surface/lines cavities
secretion/absorption
• Muscle tissue -✓✓enables movement
• Connective tissue -✓✓structure and support
bones, ligaments, blood and tendons
• Nervous tissue -✓✓communication through electrical pulses
• Integumentary system -✓✓skin - covers and protects deeper tissue from injury
Hypodermis, dermis, epidermis (outer layer)
• Skeletal system -✓✓framework for muscular system, supports body organs
• Muscular system -✓✓allows body movement
cardiac
skeletal (voluntary)
smooth
• Digestive system -✓✓breaks down food so nutrients can absorb into bloodstream
• Endocrine system -✓✓regulates metabolism and reproductive system
• Metabolism -✓✓chemical reactions that enable bodily functions
• Catabolism -✓✓breakdown of complex molecules into simpler ones
• Anabolism -✓✓synthesis of complex structures from simpler ones
• Phases of Cellular Respiration -✓✓1. Glycolysis
2. Citric Acid Cycle
3. Electron Transport Chain
, • Cardiovascular system -✓✓move O2, nutrients and blood through system - through
blood vessels
• Lymphatic system -✓✓immunity and fighting disease
• Respiratory system -✓✓excretion of waste Co2 (product of metabolism)
• Urinary system -✓✓extortion of waste, regulates water and electrolyte balance in
blood
• 3 systems involved in excretion -✓✓Respiratory, urinary, digestive
• Reproductive system -✓✓create new life - controlled by hormones from endocrine
system
• Superior/Cranial -✓✓towards head
• Inferior/Caudal -✓✓away from head/towards toes
• Ventral/Anterior -✓✓towards front of body
• Dorsal/Posterior -✓✓towards back of body
• Medial -✓✓towards midline of body
• Lateral -✓✓away from midline
• Intermediate -✓✓between medial/lateral
• Proximal -✓✓closer to the point of attachment of a limb
• Distal -✓✓farther from the point of attachment of a limp
• Superficial/external -✓✓towards body surface
• Deep/internal -✓✓away from body surface
• Flexion -✓✓closing joint
• extension -✓✓opening a joint
• abduction -✓✓movement away from midline of body