Which statement is true? The fissures are muscles that surround the lungs and facilitate breathing.
The bronchioles move oxygen into the bloodstream.
The pleural cavity keeps the lungs attached to the ribcage.
The lobules maximize the number of places where oxygen exchange can occur.

Heat affects all vitamins. which vitamins are more sensitive to heat and leach into water? a. vitamin a and d b. vitamin b and c c. vitamin e and k d. vitamin d and c

Pros and cons of a water bath usedin biotechnology

Different plant and animal species have a great variety of body structures that them survive and reproduce. which of the following is also true? a. the individual cells of plants and animals cannot perform specialized functions. b. the individual cells of plants and animals function in very similar ways. c. the individual cells of plants and animals do not share any similarities. d. the individual cells of plants and animals do not contain genetic information. reset submit