Skeletal System What is this bone called? a)Patella b)Vertebrae c)Cranium d)Sternum What is this bone called? a)Femur b)Tibia c)Humerus d)Fibula What is this bone called? a)Tarsals b)Phalanges c)Metacarpals d)Carpals Participant Scores 5 Functions of Skeletal System 1.Framework gives shape & support to body 5 Functions of Skeletal System 1.Framework gives shape & support to body 2.Bones protect the internal organs Skeletal System 1.Framework gives shape & support to body 2.Bones protect the internal organs 3.Major muscles of body are attached to the bones 5 Functions of Skeletal System 1.Framework gives shape & support to body 2.Bones protect the internal organs 3.Major muscles of body are attached to the bones 4.Blood cells are formed in red marrow of some bones 5 Functions of Skeletal System 1.Framework gives shape & support to body 2.Bones protect the internal organs 3.Major muscles of body are attached to the bones 4.Blood cells are formed in red marrow of some bones 5.Skeleton is a place where major quantities of calcium and phosphorus compounds are stored Which is NOT a function of the skeletal system? a)To make new blood cells b)To protect vital organs like your heart, lungs & brain c)To store nutrients d)To move your body Bone Structure 1.Surface: covered with tough, tight fitting membrane called periosteum a)Blood vessels carry nutrients into the bone b)Important in the growth and repair of bone Bone Structure 2.Compact bone: under the periosteum a)Contains bone cells, blood vessels, minerals and elastic fibers b)Elastic fibers keep bone flexible Bones 2.Compact bone: under the periosteum a)Contains bone cells, blood vessels, minerals and elastic fibers b)Elastic fibers keep bone flexible c)2 diseases that result from a lack of mineral in bone: rickets, osteoporosis Rickets Osteoporosis Bones 3.Spongy bone: found towards the end of the bone a)Less compact b)Has many small open spaces that make the bone light weight Bones 4.Marrow: a fatty tissue that fills the cavities, or spaces, in bones a)Produces red blood cells2-3 billion per second b)Produces white blood cells Bones 5.Cartilage: thick smooth layer of tissue that covers the ends of the bones a)Flexible, important at the joints because it absorbs shock and makes movement easier What part of the bone contains elastic fibers for flexibility? 1.Bone marrow 2.Compact bone 3.Cartilage 4.Spongy bone What part of the bone makes new blood cells? 1.Bone marrow 2.Compact bone 3.Cartilage 4.Spongy bone What part of the bone makes new bone cells? 1.Bone Marrow 2.Compact bone 3.Periosteum 4.Spongy bone Participant Scores Joints Any place where 2 or more bones meet Ligaments: tough bands of tissue that hold bones together at the joints Joints Classification of Joints a)Immovable: allows little or no movement Skull, pelvis Joints Classification of Joints b)Movable: allows body to make a wide range of movements 1.Pivot: 1 rotates in the ring of another (arm, head) Joints Classification of Joints b)Movable: allows body to make a wide range of movements 1.Pivot: (arm, head) 2.Ball and socket: 1 bone has a rounded end that fits into a cup-like cavity on another bone (shoulder, hip) Joints Classification of Joints b)Movable: allows body to make a wide range of movements 1.Pivot: (arm, head) 2.Ball and socket: (shoulder, hip) 3.Hinge: has a back and forth movement (elbow, knee, fingers) Joints Classification of Joints b)Movable: allows body to make a wide range of movements 1.Pivot: (arm, head) 2.Ball and socket: (shoulder, hip) 3.Hinge: (elbow, knee, fingers) 4.Gliding: 1 part of the bone glides over another bone (wrist, ankle) What is the tissue called that holds bones together at the joints? 1.Joint 2.Ligament 3.Tendon 4.Cartilage What type of joint only allows movement going backward and forward? What type of joint allows for the greatest range of movement? Participant Scores Bone DancedK4T7WUrA&feature=relateddK4T7WUrA&feature=related Brain Pop Skeletal Systemsystems/skeleton/zoom.wemlJointssystems/joints/zoom.wemlsystems/joints/zoom.weml Muscular & Integumentary Systems What is this muscle called? 1.Gluteus maximus 2.Quadriceps 3.Gastrocnemius 4.Soleus What is this muscle called? 1.Pectoralis 2.Deltoid 3.Trapezius 4.Triceps What is this muscle called? 1.Biceps 2.Triceps 3.Internal Obliques 4.External Obliques Participant Scores Functions of the Muscular System 1.Muscles are the motors that move body parts a)Muscles always pull, they never push Functions of the Muscular System 1.Muscles are the motors that move body parts a)Muscles always pull, they never push b)Pairs of skeletal muscles work together: 1 muscle contracts while the other muscle relaxes Functions of the Muscular System 2.Maintain homeostasis by keeping body temperature constant a)When muscles contract, chemical energy (glucose) is converted to thermal energy (heat) When sitting, what must your thigh muscles do to straighten your legs? 1.One muscle contracts & the other relaxes. 2.Both musts contract. 3.Both muscles relax. 4.One must pulls on the bone & the other pulls on the first muscle. Groups of Muscles 1.Voluntaryyou can control these Arms, legs, hands, face 2.Involuntaryyou cant control these, dont have to decide to make these muscles work Muscles around heart Types of Muscle Tissue 1.Skeletal muscle a)Most numerous in body b)Voluntary c)Looks striped (striated) d)Contract quickly, tire easily e)Attached to the bones by tendons (thick bands that pull on the bone as the muscle contracts) Types of Muscle Tissue 2.Smooth muscle a)Found in: walls of stomach, intestine, uterus, etc. b)Involuntary c)No striations d)Contracts and relaxes slowly Types of Muscle Tissue 3.Cardiac muscle a)Only found in heart b)Involuntary c)Has striations d)Contracts 70 times per minute (heartbeat) What attaches muscles to bones? 1.Cartilage 2.Muscles 3.Tendons 4.Ligaments Which picture shows smooth muscle? What type of muscle is involuntary and striated? 1.Skeletal 2.Smooth 3.Intestinal 4.Cardiac Which is NOT a function of the muscular system? 1.To move your body 2.To help protect other organs 3.To help digest food 4.To help pump blood Participant Scores Functions of the Integumentary System 1.Forms a protective covering over the body Functions of the Integumentary System 1.Forms a protective covering over the body 2.Maintains homeostasisregulates bodytemperature Functions of the Integumentary System 1.Forms a protective covering over the body 2.Maintains homeostasisregulates body temperature 3.Excretes wastes sodium chloride (salt), water, urea Functions of the Integumentary System 1.Forms a protective covering over the body 2.Maintains homeostasisregulates body temperature 3.Excretes wastes sodium chloride (salt), water, urea 4.Sensory organ nerve endings are sensitive to temperature, pressure, & touch Functions of the Integumentary System 1.Forms a protective covering over the body 2.Maintains homeostasisregulates body temperature 3.Excretes wastes sodium chloride (salt), water, urea 4.Sensory organnerve endings are sensitive to temperature, pressure, & touch 5.Produces vitamin D in the epidermis using sunlight Which is NOT a function of the integumentary system? 1.To prevent substances from entering the body 2.To help keep body temperature stable 3.To remove wastes from the body 4.To absorb oxygen into the body Layers of Skin 1.Epidermis = surface layer a)Cells on top are dead b)New cells are constantly produced at the bottom c)Cells produce melanin (pigment that gives you skin color) Layers of Skin 2.Dermis = layer under epidermis a)Thicker than epidermis b)Contains blood vessels, nerves, oil and sweat glands c)Fat cells stored under the dermis Which part of the skin makes new skin cells? 1.Epidermis 2.Dermis 3.Fat cells 4.Sweat glands Participant Scores Brain Pop Musclessystems/muscles/preview.wemlsystems/muscles/preview.wemlSkinsystems/skin/preview.wemlsystems/skin/preview.weml