Answer:
Being overweight; unsafe sexual behavior Smoking; being overweight Being overweight; high levels of stress Abuse of alcohol or other drugs; unsafe sexual behavior.
Explanation:
The answer would be A (Endocrine-Nervous)
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Answer:
The number of heartbeats per unit of time, usually per minute. The heart rate is based on the number of contractions of the ventricles (the lower chambers of the heart). The heart rate may be too fast (tachycardia) or too slow (bradycardia).
Explanation:
"Gastrulation occurs when a blastula, made up of one layer, folds inward and enlarges to create a gastrula. This diagram is color-coded: ectoderm, blue; endoderm, green; blastocoel (the yolk sack), yellow; and archenteron (the gut), purple."
