ExplainerWorldwide with United Kingdom guidance where relevant

Do ticks have a heart?

Ticks have an open circulatory system with a dorsal heart that moves haemolymph through the body rather than blood through closed vessels.

Reviewed by VuxLore® Knowledge Team For Everyone

Short answer

Ticks have an open circulatory system with a dorsal heart that moves haemolymph through the body rather than blood through closed vessels.

At a glance

Ticks have an open circulatory system with a dorsal heart that moves haemolymph through the body rather than blood through closed vessels. Biological features vary by family, species, stage and feeding status, so use verified references and specimens for identification.

Key takeaways

• Ticks have an open circulatory system with a dorsal heart that moves haemolymph through the body rather than blood through closed vessels.

• Biological features vary by family, species, stage and feeding status, so use verified references and specimens for identification.

• Apply this information with current official guidance and the actual circumstances; use qualified medical or veterinary help when removal, symptoms or safety are concerning.

Direct answer

Ticks have an open circulatory system with a dorsal heart that moves haemolymph through the body rather than blood through closed vessels.

Use it in context

Biological features vary by family, species, stage and feeding status, so use verified references and specimens for identification.

Practical next step

Apply this information with current official guidance and the actual circumstances; use qualified medical or veterinary help when removal, symptoms or safety are concerning.