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Science Muscles
Studying Muscles in Science
| Question | Answer |
|---|---|
| What are the 5 FUNCTIONS of muscles? | 1. enables movement2. circulates blood due to contractions of the heart.3. Moves food through digestive system.4. Maintains posture5. Holds in body heat |
| What are the 3 TYPES of muscle TISSUE? | 1. Skeletal2. Smooth3. Cardiac |
| What does the sternocleidomastoid do? | Raises and turns head. |
| Where is the sternocleidmastoid located? | On the neck. |
| What does the temporalis do? | Elevate and retracts mandible. |
| What does the deltoid do? | Raises the shoulders. |
| What do triceps do? | Straighten the arm. |
| What do the external obliques do? | Flattens the abdomen. |
| What does the gastrocnemius do? | Bends the leg. |
| What does the quadriceps femoris do? | Extends the leg. |
| What do the biceps do? | Bends arm at the elbow. |
| What does the pectoralis major do? | Pulls arm toward the chest. |
| What does the sartorius do? | Rotates the leg. |
| What does the messeter do? | Moves the jaw. |
| What do the trapezius and deltoids do? | Raise the shoulders. |
| What do the triceps do? | Straightens the arm. |
| What does the latissimus dorsi (aka "lats") do? | Draws the arm up and back. |
| What does the gluteus maximus do? | Extends the leg. |
| What does the hamstring do? | Extends the leg. |
| What does the gastrocnemius do? | Bends the leg. |
| What do TENDONS connect? | Muscle to Bone. |
| What do LIGAMENTS connect? | BLB; Bone to Bone. |
| What is cartilage? | A cushion between bones. |
| What is also involved in moving a muscle? | NERVE TISSUE |