Which of these is an example of sexual reproduction?

A
Production of seeds in flowers
B
Vegetative propagation in leaves
C
Fruiting in fungi
D
Budding in yeast

the answer is d. chordata

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.