The answer is electrons.
A covalent bond is a type of chemical bond where atoms share electrons. Covalent bonds are also referred to as molecular bonds because they form molecules when bonded.
This type of bond occurs between non-metals. An example of a compound or a molecule that is formed through covalent bonding is water. It is a combination of two hydrogen atoms bonded with an oxygen atom. H₂O
Answer:
i believe the circulatory system
Explanation:
Answer:
A. Stroke
Explanation: Hypertension is high blood pressure. High blood pressure cause blood clots which lead to strokes.
Answer:
False, the lymphatic vessels do not carry blood to the lymph nodes.
Explanation:
They carry lymph and white blood cells.