Biology Effectors and Reflex Actions

Muscle or gland that carry out the response of a reflex action.

Autonomic effectors (smooth muscles found in the iris of the eye), somatic effectors (striated muscles found in the arm and back).

A quick involuntary response to a stimulus.

<p>Ball and socket, hinge joint, gliding joint, pivot joint.</p> Signup and view all the answers

<p>Fine, tough fibrous tissue that connects bone to joint.</p> Signup and view all the answers

<p>It provides a smooth and slippery surface so that bones do not become worn due to friction during movement.</p> Signup and view all the answers

<p>Connective tissue membrane that lines joints and produces synovial fluid.</p> Signup and view all the answers

<p>It serves as a lubricant during movements at joints, allowing bones to slide smoothly past each other.</p> Signup and view all the answers

<p>Attach muscles to bones.</p> Signup and view all the answers

<p>These are muscles that act in pairs; when one relaxes, the other contracts and vice versa.</p> Signup and view all the answers

<p>Triceps and biceps, quadriceps and hamstrings, shin muscles and calf muscles.</p> Signup and view all the answers

<p>This is so that both muscles will not receive the same message.</p> Signup and view all the answers

<p>Extensor and flexor.</p> Signup and view all the answers

<p>This muscle causes limbs to straighten when it contracts.</p> Signup and view all the answers

<p>This causes limbs to bend when they contract.</p> Signup and view all the answers

<p>Biceps (bend the arm), hamstrings (bend the knee), shin (bend the ankle).</p> Signup and view all the answers

<p>Triceps (straighten the arm), thigh muscles (straighten the knee), calf muscles (straighten the ankle).</p> Signup and view all the answers