Answer:
A female's internal reproductive organs are the vagina, uterus, fallopian tubes, and ovaries. For example, The vagina is a muscular, hollow tube that extends from the vaginal opening to the uterus.
Explanation:
Hope this helped!!!
Answer:
(I) Earthworms digestive track is straight and simple. cockroach is curved and more developed. (ii) Earthworm absorb oxygen passively through the moist skin while the cockroach takes gas diffusion place through their spircle .
The presence of hydrogen bond is one factor that explains the fact that ice floats over water because it has less density.
Due to this, rivers and lakes freeze from the surface whereas it is in liquid state at the bottom which allows the sea animals to survive even in colder temperatures.
Water makes up at least 70% of earth and 65% of our bodies and this property of water is essential for our lives as it maintains the survival.
<span>They are proteins that are secreted from fat cells to help regulate energy balance.</span>
