1. List 3 of the circulatory system working with other systems in your body
2. Explain why blood pressure is expressed with 2 numbers.
3. How does the circulatory system help your body mantain homeostasis?
i really need help. we have no books and i need these answers! if you know, help me PPLLEEAASSEE!!
2007-02-08 14:41:41 · 3 answers · asked by kenzie 1 in Science & Mathematics ➔ Biology
#1:
http://library.thinkquest.org/5777/urin1.htm
http://library.thinkquest.org/5777/resp4.htm
#2:
http://www.nlm.nih.gov/medlineplus/ency/article/003398.htm
#1 & 3:
http://www.kidinfo.com/Health/Human_Body.html
2007-02-08 16:48:13 · answer #1 · answered by copperhead 7 · 0⤊ 0⤋
If you have not got any books then you really need to lean how to use the serch on your computer. All the answers are there and you can read about them.
3. Sweat when hot, shiver when cold...that is all I remember.
2007-02-08 14:57:26 · answer #2 · answered by jeeccentricx2 5 · 0⤊ 0⤋
2. because one is the number when your heart pumps in and the other is when it pumps the blood out.
2007-02-08 14:45:39 · answer #3 · answered by schs_spartan 3 · 0⤊ 1⤋