Answer:
Buddy you just said it UwU
Explanation:
Unless you mean that kind of se-x
I think carbon dioxide then sugars
It is d: both b and c the capillary action and transpirational pull
Chemical factors: This is due to internal stimuli. Changes in the blood such as decrease in O2, increase in CO2 and decrease in PH cause impulse in the carotid artery which stimulates the respiratory centers in the medulla and cause breathing.
Mechanical factors: also called external stimuli. Compression of the fetal chest during delivery forces small amount of lung fluid out of the lungs. This increase in pressure in the chest draws air into the lungs.
The sign of lead poisoning in children would be impaired development.
Lead is very toxic to the brain, so lead poisoning will be especially dangerous in children when the brain is developing at a high rate. Damage to the brain will cause the children to have an impaired development and growth, gastrointestinal pain, or neurological issue like seizure.