Heparin
Heparin
digestive and circulatory
No. All vertebrates have a closed circulatory system. Arthropods and molluskshave an open circulatory system.
They don't have any circulatory system; fluids are dispersed into the pseudocoelom.
circulatory system does.
Heparin
Heparin
Anticoagulant
moquitos inject a chemical that prevents blood from clotting when they suck it up. this chemical is an irritant to the human immune system, which causes redness and itching. They are not posionous.
nope
digestive and circulatory
Yes. Blood is made up of 45% formed elements: 1. Red Blood Cells, 2. White blood cells, and 3. Platelets. Plus 55% plasma which is mostly liquid with some plasma proteins and clotting factors.
A chemical with an affinity for oxygen ... and it's found in red blood cells in the circulatory system.
The circulatory system carries hormones. These chemical messengers from the endocrine system can bring instructions from one part of the body to another.
The circulatory system carries hormones. These chemical messengers from the endocrine system can bring instructions from one part of the body to another.
The circulatory system carries hormones. These chemical messengers from the endocrine system can bring instructions from one part of the body to another.
closed circulatory system (double circulatory system)