Answer:Ovulation—>Fertilization—>Implantation—->Birth
Explanation:the ovum is first released(ovulation) then a sperm merges with it (fertilization) the zygote is moved to the uterus(implantation) it grows to become a baby and the mother delivers it(birth)
A mammals need for oxygen effects their heart rate because there could be some cases where they're in lack of oxygen causing them to be literally ' out of breath ' . Like climbing a mountain. The higher you go the less oxygen.
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1. Alloy
Alloy is a mixture or metallic-solid solution composed of two or more elements.
Answer:
the answer b adrenal glands common knowledge