67) In the most general terms, studying the structure of : 1380924.
67) In the most general terms, studying the structure of the passages that air takes into the lungs would be considered ________; studying the mechanism for how gases are exchanged between the lungs and the blood would be ________.
68) The brain is in the ________ cavity, which is part of the larger ________ cavity.
69) Glands are part of the ________ tissue category.
70) Bone and cartilage are examples of ________ tissues.
71) The endocrine system sends signals using chemical messengers called ________.
72) The two organ systems that are involved in removing wastes from the cells and eliminating them from the body are the ________ system and ________ system.
73) A 25-year-old friend tells you her mom was diagnosed with advanced osteoporosis. Your friend seems dispirited, feeling resigned to the same fate. Using the material you learned about the skeletal system, what supportive advice can you give your friend for ways she can guard against her risk of osteoporosis?
67) In the most general terms, studying the structure of : 1380924
