Answer:
cappillaries
they connect the arteries and the veins
Human chorionic gonadotropin is secreted from the placenta. The correct option is D.
<h3>What is HCG?</h3>
HCG is known as Human Chorionic Gonadotropin.
It is a hormone secreted by the placenta during pregnancy.
The hormone specifically functions to thicken the wall of the uterus in order to be able to support the growing embryo.
It also signals to the body system to halt the process of menstruation.
More on HCG can be found here: brainly.com/question/23308035
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Explanation:
it is the diagram of an ovum or a human egg
A- follicle cells
B- zona pellucida
C- chromosomes
D- vitelline membrane
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is known as <span>punctuated equilibrium.</span>