What happens when the lungs recoil?
a. ribs and diaphragm muscles contract.
b. expiration occurs.
c. inspiration occurs.
d. internal respiration occurs.

Which figures of speech appear in this excerpt from john keats’s “ ode to autumn “?

Models are non-visual ways of coummincating how someone thinks about something in the natural world

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.