1. TOPIC: Locomotive Systems
Aim: Use textual evidence to explain the parts and functions of the skeletal system.
Do Now: Bone marrow reading
HW: Endocrine System ISN
Bring your textbook tomorrow!
CL Nervous and Endocrine Systems due Thursday
Nervous and Endocrine System exam on Friday

2. The diagram shows neurons working together in a reflex action.
Identify each labeled structure.
Identify the chemical released into area X and the structures that the chemical attaches to.
Identify the part of the neuron that releases the chemical.
Identify the division of the nervous system that neurons A and C are found.
Identify the division of the nervous system that neuron B are found. A B D C E

3. C B A Cerebrum Medulla oblongata Cerebellum
Memory, thinking and reasoning
Medulla oblongata B A
Cerebellum
Involuntary activities
Balance and coordination

4. The smallest is the stirrup bone in the ear which can measure 1/10 of an inch.

5. Your face has 14 bones.

6. One fourth of your bones are located in your feet.

7. True or False: Children often bend their bones rather than break them.
TRUE! Their bones are more pliable, and tend to bend more without breaking.

8. 1. Describe the functions of the skeleton.
Gives body shape & support
1. Describe the functions of the skeleton.

9. Protects internal organs

10. Attaches to muscles to help bones move

11. Produces blood cells

12. Stores calcium and phosphorus

13. 2. Which life process does the skeletal system help carry out?
LOCOMOTION
2. Which life process does the skeletal system help carry out?

14. 3. Describe the two types of bone marrow.

15. Yellow marrow = fat cells

16. Red marrow = produces blood cells

18. 4. Identify the systems that regulate locomotion.
Nervous and endocrine systems

19. 5. Describe the function of ligaments.
Tough band of tissue that holds bones together

20. 6. Describe the function of tendons.
Tough band of tissue that connects muscles to bones

24. 7. Describe 4 characteristics of cartilage.
Smooth and slippery
Flexible

25. Acts as a shock absorber

26. Makes movement easier by reducing friction that would be caused by bones rubbing together

27. Does not contain blood vessels
Nutrients delivered by nearby blood vessels

28. Give shape to certain body parts (ears, nose)

29. Skeleton of newborn made mostly of cartilage

30. 8. Identify some locations of cartilage in your body.
Trachea

31. In between vertebrae

33. At ends of bones

34. In joints

35. TOPIC: Locomotion Aim: Explain the structure and functions of the 3 types of muscles. Do Now: Take out endocrine system ISN and skeletal system notes. HW: Ditto – Nervous System Review CL Nervous and Endocrine Systems due Thursday

36. Identify each labeled gland in the diagram
Identify each labeled gland in the diagram. Leave space under each gland.
Under each gland, write the hormone(s) released and the function of the hormone(s).
In a complete sentence, identify how hormones are transported throughout the body.
In a complete sentence, identify the types of cells that are affected by hormones.
In a complete sentence, identify the proteins that hormones attach to on these types of cells.

37. 8. Identify some locations of cartilage in your body.
Trachea

38. In between vertebrae

40. At ends of bones

41. In joints

42. Cranium = Skull

44. Clavicle = collar bone
Rib cage

46. Scapula (shoulder blades)

47. Sternum = breast bone

48. Vertebrae = backbone
(spinal column)

51. Scoliosis

55. Humerus = upper arm bone
Ulna & radius = lower arm

59. Pelvis = hips

61. Femur = thigh bone (longest & strongest)

63. Patella = knee cap

65. Carpals = wrist bones
Metacarpals = hand bones

66. Phalanges = fingers & toes

70. Did You Know? Humans and giraffes have the same number of bones
in their necks? A Giraffe’s
neck vertebrae are just much, much longer!

71. The only bone not broken so far during any ski accident is one located
in your inner ear.

72. If you break your wrist as an adult it will take you 8 weeks to heal.
A five year old child who
breaks their wrist only takes 3
weeks to heal.

73. without the patella (knee bone)
Babies are born
without the patella (knee bone)
it develops between
ages 2 and 5.

74. Let’s summarize…
Identify structures that make up your skeletal system.
Identify the functions of your skeletal system.
Describe the difference between tendons and ligaments.
Explain the function of cartilage.
Where is cartilage found?

77. Which number in the diagram indicates a structure that transmits impulses from a receptor organ to an interneuron?

78. What is the chemical in the diagram?
a hormone important in maintaining homeostasis
an enzyme detected by a cell membrane receptor
DNA necessary for regulating cell functions
a food molecule taken in by an organism

79. Which gland in the diagram is related to disorders that affect proper functioning of a person's metabolism?
Which gland is disrupted in a person suffering from diabetes?
Which gland is related to disorders such as gigantism, dwarfism and acromegaly?