Answer:
<u>The 13th amendment</u>
Explanation:
The 13th amendment is the amendment that abolished slavery, in 1865. Congress passed it on January 31, 1865. Though slavery was abolished, racism and segregation was still active until the late 90's. Racism is still a problem, but it isnt as much as an epidemic as it was in the 1800's and 1900's.
# Breathing rate:it decreases breathing rate.
# The effects of tobacco smoke on the respiratory system include:
irritation of the trachea (windpipe) and larynx (voice box)
reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages
impairment of the lungs’ clearance system, leading to the build-up of poisonous substances, which results in lung irritation and damage
increased risk of lung infection and symptoms such as coughing and wheezing
permanent damage to the air sacs of the lungs.
.#Heart rate.
See the image for decrease in heart rate..
2.Athelets and musician has high capacity to hold air. .
See image for answer...
I am not really sure i would find a African settlers journal
<span>The Americas were the last (well, second-to-last if you count Antarctica) continents to be inhabited by early humans. Archaeologists estimate that people entered North America by crossing over the Bering Strait, which back then was a wide swath of land, about 15,000 years ago.</span>