Which group consists entirely of materials found in human blood?

1 ⤊

Which group consists entirely of materials found in human blood?

(1) plasma, alveoli, proteins
(2) platelets, mucus, red blood cells
(3) phagocytes, platelets, proteins
(4) hemoglobin, capillaries, white blood cells

2007-12-30 08:06:28 · 3 answers · asked by Kevin G 2 in Science & Mathematics ➔ Biology

3 answers

[Answer: 3]

phagocytes are blood cells that destroy invading cells .
platelets are blood cells that initiate blood clotting.
hemoglobin found in red blood cells (RBC) is a type of protein.

2007-12-30 08:09:58 · answer #1 · answered by ¿ /\/ 馬 ? 7 · 1⤊ 0⤋

the answer is 3

you can rule out 1 because of alveoli, and 2 because of mucus, and 4 because of capillaries.
Process Of Elimination :)

2007-12-30 16:14:49 · answer #2 · answered by Andrea 3 · 0⤊ 0⤋

2007-12-30 16:10:24 · answer #3 · answered by fshklr1 3 · 0⤊ 0⤋