1. What is locomotion?

2. - the ability to move from place to place
What is locomotion?
Locomotion
- the ability to move from place to place
Why is locomotion important to an organism?

3. cilia
pseudopods
flagella

4. exoskeleton
endoskeleton

5. Molting -shedding of the exoskeleton

6. The Musculo-skeletal System

7. Components of the musculoskeletal system
bones
cartilage
ligaments
tendons
muscles
smooth
cardiac
skeletal

10. Bone Marrow

11. Haversian Canals
osteocyte

12. Bone - a type of connective tissue that is hard and inflexible
living tissue - osteocytes
blood vessels
bone marrow
inorganic compounds (Ca, P)
connective tissue fibers (collagen, polysaccharides)

13. Functions of Bone give the body shape and support
protect delicate structures
produces red blood cells and some white blood cells
sites of attachment for skeletal muscles
levers for movement of body parts
storage places for minerals (Ca, P)

15. Development of Red Blood cells

17. Red Marrow - Soft tissue found in flat bones (ribs) and
Red Marrow Soft tissue found in flat bones (ribs) and in the ends of long bones produces blood cells million per second
Yellow marrow made up mostly of fat tissue found in the center of long bones may produce red blood cells if there is
a great loss of blood

18. There are 25,000,000,000,000 red blood cells in the human body.
If 3 million red blood cells die each second, then how many must be made to replace them in one day?
259,200,000,000

20. Normal spongy bone
Osteoporitic bone

21. What is osteoporosis?

22. Osteoporosis
A disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse.

23. Osteoporosis causes - loss of calcium from the bones
- lack of vitamin D
other factors
aging, physical inactivity, reduced levels of estrogen, heredity, excessive Cortisone or thyroid hormone, smoking, and excessive alcohol intake

24. What is a
joint?
A point in the skeleton
where bones meet

26. Ligament
- band of tough, fibrous tissue connecting bones together

27. Tendons
strong bands of connective tissues that attach skeletal muscle to bone

29. What are these body parts
made of?

30. a type of flexible connective tissue
Cartilage
a type of flexible connective tissue

36. Skeletal Muscle

37. Types of Muscle
smooth muscle
cardiac muscle
skeletal muscle

40. biceps
triceps

41. Why must muscles work in antagonistic pairs?
Muscles can only produce movement through contracting (pulling the bones). They cannot move (push) the bones by relaxing.

42. Biceps - flexor
Triceps - extensor

44. Components of the musculoskeletal system
bones
cartilage
ligaments
tendons
muscles
smooth
cardiac
skeletal