When you inhale (breathe in), air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). Hope this helps
Answer:
Explanation:
The tentacles of an octopus and the tube of a sea star are analogues structures （＾∀＾●）ﾉｼ
Answer:
They are vital for the construction, manufacturing and energy industries.
Explanation:
The answer is A. internal fertilization, development of an embryo within the female body, and the developing embryo deriving nourishment from its mother
There are three different modes of reproduction:
- Ovoparity - internal fertilization, but development of offspring outside the mother's body (in eggs: ovo
- Viviparity - internal fertilization, development of an embryo within the female body, and the developing embryo deriving nourishment from its mother
- Ovoviviparity - internal fertilization, development of an egg which remains in the mother's body before the hatch and lacks nourishment from its mother.
