Question

unit 1 ch. 1 - 3 common assessment
match the following with correct pairing
xylem
guard cell
neuron
wbc white blood cells
water transport
gas exchange
signals
fight infection

Explanation:

Xylem is a plant - tissue for water transport. Guard cells control gas exchange in plants. Neurons transmit signals in the nervous system. White blood cells fight infections in the body.

Answer:

xylem - water transport
guard cell - gas exchange
neuron - signals
WBC White Blood Cells - fight infection