Multiple choice

______ is a type of blood vessel in human body.

  1. Capillary

  2. Xylem

  3. Phloem

  4. Spleen

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Capillaries are the smallest blood vessels where the exchange of gases, nutrients, and wastes occurs between blood and tissues. Xylem and phloem are plant tissues, and the spleen is an organ, not a vessel.