Building Blocks of the Human Body
What is Mitosis vs Meiosis?
Mitosis: Cells grow ad divide into 2 new identical cells
Meiosis: Cell division where the cells aren't identical, but instead create 4 "daughter" cells
How many types of muscles and what are they called?
3; Cardiac, Voluntary, Involuntary
Structures of the Lymphatic system
Spleen, Thymus, Red bone marrow, Tonsils and Adenoids
Shape and size of the heart?
Cone shaped; About the size of a closed fist
What system is composed of the Brain, Spinal cord and Spinal and Cranial nerves?
Central Nervous System
What are tissues?
Groups of cells of the same kind that perform similar functions
What are the dense, strong bands of fibrous tissue that connect bones to each other?
Ligaments
Behind the ears; drain the scalp
What does blood consists of?
Red and white Corpuscles, platelets and plasma
How are nerve cells different from other cells?
They contain threadlike fibers that extend from the cell called axons and dendridites
4 types of tissue:
Epithelial:protects internal organs
Nerve: Coordinates body functions
Connective: Holds body together
Muscular: Contracts to produce motion
Frontalis muscle
SCALP MUSCLE: Extends from forehead to top of skull; raises the eyebrows or draws scalp forward
3 Functions of the lymphatic system?
Fluid balance; known as homeostasis
Fighting infection
Absorption of fats
Systemic circulation vs Pulmonary circulation
Systemic: To the heart
Pulmonary: To the lungs
Sensory vs Motor nerves
Sensory: Carry messages from tissue and organs TO the brain
Motor: Carry messages FROM the brain to the muscles and glands
Anabolism: building up larger molecules from smaller ones
Catabolism: Breaking down larger molecules or substances into smaller ones
The u-Shaped bone at the base of the tongue?
Hyoid
Lymphatic capillaries
Between cells, these closed end capillaries drain extracellular fluid
Function fo the internal and external jugular vein
Returns all blood from head, face and neck to heart
What are the three subsystems of the autonomic system?
Sympathetic(raises blood pressure), Parasympathetic(lowers blood pressure), Enteric(governs functions of the gastrointestinal tract)
What is Gross Anatomy?
The study of body structures that can be seen with the naked eye
Maxillae
2 bones of the upper jaw
Where T lymphocytes (T-cells) mature
Popliteal Artery
Supplies blood to the knee join and muscles in the thigh and calf
What nerve begins in the thigh?
The Saphenous nerve