Muscles

Muscles

Humans and the animals have skeleton with muscles attached.

Q: What are tendons?

Tendons, located at each end of a muscle, attach muscle to bone. Tendons are found throughout the body, from the head and neck all the way down to the feet. The Achilles tendon is the largest tendon in the body. It attaches the calf muscle to the heel bone.

Q: Why are there no muscles in your fingers?

However, the fingers are special, because there are no muscles inside the fingers. The muscles which bend the finger joints are located in the palm and up in the mid forearm, and are connected to the finger bones by tendons, which pull on and move the fingers like the strings.

Pacemaker in a heart

https://www.svhhearthealth.com.au/procedures/procedures-treatments/pacemaker