Science Locked In

Ribosomes

Synthesize (build) proteins

Vacuole

Storage for cell (water, proteins)

Cytoplasm

Gel-like fluid, mostly water, fills space between organelles and helps transports materials in the cell

Skeletal System

Structures: Bones, cartilage, ligaments, tendons

Functions: Supports body; protects internal organs; allows movement; stores minerals; produces blood cells

Integumentary System

Structures: Skin, hair, nails, sweat glands, oil glands

Functions: Guards against infection and injury; helps regulate body temperature

Muscular System

Structures: Skeletal muscle, smooth muscle, cardiac muscle

Functions: With skeletal system, produces movement; helps circulate blood and move food through the digestive system

Nucleus

Contains genetic material (DNA, RNA - instructions for cells

Lysosome

Removes Waste

Cell Membrane

Semi permeable to allow some things into the cell, and keep other things out (plants also have a cell wall to give them structure)

Mitochondria

"Powerhouse of the cell" - converts sugar to ATP energy by cellular respiration (plants use chloroplasts)

Circulatory System

Structures: Heart, blood vessels

Functions: Transports oxygen, nutrients, and wastes; fights infection; helps regulate body temperature

Respiratory System

Structures: Nose, pharynx, larynx, trachea, bronchi, lungs

Functions: Brings in oxygen needed by cells; removes carbon dioxide from the body

Digestive System

Structures: Mouth, esophagus, stomach, small intestine, liver, pancreas, large intestine, rectum

Functions: Breaks down food; absorbs nutrients; removes food waste

Excretory System

Structures: Skin, lungs, liver, kidneys, urinary bladder, urethra

Functions: Removes waste products from the body

Nervous System

Structures: Brain, spinal cord, nerves

Functions: Controls body's responses to changes in inside and outside environments

Endocrine System

Structures: Glands, such as the thyroid, pancreas, adrenals, ovaries, testes, and others

Functions: Controls growth, development, and energy processes; helps maintain homeostasis

Reproductive System

Structures: In males: testes, ducts, urethra, penis; in females: ovaries, ducts, uterus, vagina

Functions: Produces and delivers sex cells; in females, nurtures and protects developing embryo

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