Question

1. Indicate which organ system will be primarily used in the following situation. Write the beginning letter of
correct organ system on the blank.
M muscular D digestive C circulatory S skeletal R respiratory N nervous
a) Prepare for a 5km run and eat lots of carbohydrates like rice to give you more energy.
b) Your breathing is getting faster and faster.
c) The heart is pumping fast as you sprint for the final 1km.
d) Ouch! You accidentally tripped and scraped your knee

Answer 1

Explanation:

The correct ans is 1234.

Answer 2

Explanation:

Major Organ Systems

System Organs in the System

Cardiovascular Heart Blood vessels (arteries, capillaries, veins)

Respiratory Nose Mouth Pharynx Larynx Trachea Bronchi Lungs

Nervous Brain Spinal cord Nerves (both those that carry impulses to the brain and those that carry impulses from the brain to muscles and organs)