Question

pulmonary vein
2. heart, capillary, vein, artery, heart
Very short-answer questions
Name the structural and functional unit of the
excretory system.
Which instrument is commonly used to measure
heartbeats by doctors?
What constitutes the transportation system in
plants?
1 pulmonary artery, left ventricle,
aorta, body parts, right atrium, right ventricle,​

Answer 1

Answer:

structural and functional unit of excretory system is nephron.

stethoscope is used to measure the heart beat

xylem and phloem is the transportation system in plants.

Answer 2

1-Neuron,2-stethoscope 3-xylem and phloem ##