Muscle

December, 2009

Muscle

Reference to Workbook,Page 134 and 136

What do muscles do?

What do muscles do?

1. They CONTRACT (movement)

What do muscles do?

1. They CONTRACT (movement)2. They Support and Stabilize Joints

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT4. They MAINTAIN POSTURE

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT4. They MAINTAIN POSTURE5. They MOVE SUBSTANCES along tubes

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT4. They MAINTAIN POSTURE5. They MOVE SUBSTANCES along tubes6. They PUMP BLOOD around the body

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT4. They MAINTAIN POSTURE5. They MOVE SUBSTANCES along tubes6. They PUMP BLOOD around the body7. They CONTROL flow of blood around the

body

What do muscles do?

1. They CONTRACT (movement)2. They SUPPORT and STABILIZE JOINTS3. They release HEAT4. They MAINTAIN POSTURE5. They MOVE SUBSTANCES along tubes6. They PUMP BLOOD around the body7. They CONTROL flow of blood around the

body8. They are involved in many other functions

in hearing, vision, temperature control, communication, breathing, etc. etc.

What Kinds of muscles are there?

What Kinds of muscles are there?

There are three (3) kinds of muscles:

What Kinds of muscles are there?

There are three (3) kinds of muscles:

1. Skeletal Muscle

What Kinds of muscles are there?

There are three (3) kinds of muscles:

1. Skeletal Muscle2. Smooth Muscle

What Kinds of muscles are there?

There are three (3) kinds of muscles:

1. Skeletal Muscle2. Smooth Muscle3. Cardiac Muscle

Skeletal Muscle

Skeletal Muscle

1. Skeletal muscle is under VOLUNTARY CONTROL

Skeletal Muscle

1. Skeletal muscle is under VOLUNTARY CONTROL

2. Skeletal muscle is STRIATED under a microscope

Skeletal Muscle

1. Skeletal muscle is under VOLUNTARY CONTROL

2. Skeletal muscle is STRIATED under a microscope

3. Skeletal muscle can work hard, but tires easily (poor endurance)

Skeletal Muscle

1. Skeletal muscle is under VOLUNTARY CONTROL

2. Skeletal muscle is STRIATED under a microscope

3. Skeletal muscle can work hard, but tires easily (poor endurance)

4. Skeletal muscle moves your bones and joints

Smooth Muscle

Smooth Muscle

1.1. Smooth muscle is NOT under Voluntary Smooth muscle is NOT under Voluntary control (INVOLUNTARY)control (INVOLUNTARY)

Smooth Muscle

1.1. Smooth muscle is NOT under Voluntary Smooth muscle is NOT under Voluntary control (INVOLUNTARY)control (INVOLUNTARY)

2.2. Smooth muscle is weaker, but has more Smooth muscle is weaker, but has more endurance than skeletal muscleendurance than skeletal muscle

Smooth Muscle

1.1. Smooth muscle is NOT under Voluntary Smooth muscle is NOT under Voluntary control (INVOLUNTARY)control (INVOLUNTARY)

2.2. Smooth muscle is weaker, but has more Smooth muscle is weaker, but has more endurance than skeletal muscleendurance than skeletal muscle

3.3. Smooth muscle is found in blood Smooth muscle is found in blood vessels, digestive system, bladder, etc.vessels, digestive system, bladder, etc.

Smooth Muscle

1.1. Smooth muscle is NOT under Voluntary Smooth muscle is NOT under Voluntary control (INVOLUNTARY)control (INVOLUNTARY)

2.2. Smooth muscle is weaker, but has more Smooth muscle is weaker, but has more endurance than skeletal muscleendurance than skeletal muscle

3.3. Smooth muscle is found in blood Smooth muscle is found in blood vessels, digestive system, bladder, etc.vessels, digestive system, bladder, etc.

4.4. Smooth muscle is responsible for Smooth muscle is responsible for PERISTALSISPERISTALSIS

Cardiac Muscle

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART2.2. Cardiac muscle is INVOLUNTARYCardiac muscle is INVOLUNTARY

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART2.2. Cardiac muscle is INVOLUNTARYCardiac muscle is INVOLUNTARY3.3. Cardiac muscle can contract (beat) ALL BY Cardiac muscle can contract (beat) ALL BY

ITSELFITSELF

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART2.2. Cardiac muscle is INVOLUNTARYCardiac muscle is INVOLUNTARY3.3. Cardiac muscle can contract (beat) ALL BY Cardiac muscle can contract (beat) ALL BY

ITSELFITSELF4.4. Cardiac muscle forms a WEB of fibresCardiac muscle forms a WEB of fibres

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART2.2. Cardiac muscle is INVOLUNTARYCardiac muscle is INVOLUNTARY3.3. Cardiac muscle can contract (beat) ALL BY Cardiac muscle can contract (beat) ALL BY

ITSELFITSELF4.4. Cardiac muscle forms a WEB of fibresCardiac muscle forms a WEB of fibres5.5. Cardiac Muscle has GREAT ENDURANCE Cardiac Muscle has GREAT ENDURANCE

(beats tirelessly all your life long)(beats tirelessly all your life long)

Cardiac Muscle

1.1. Cardiac muscle is only found in the HEARTCardiac muscle is only found in the HEART2.2. Cardiac muscle is INVOLUNTARYCardiac muscle is INVOLUNTARY3.3. Cardiac muscle can contract (beat) ALL BY Cardiac muscle can contract (beat) ALL BY

ITSELFITSELF4.4. Cardiac muscle forms a WEB of fibresCardiac muscle forms a WEB of fibres5.5. Cardiac Muscle has GREAT ENDURANCE Cardiac Muscle has GREAT ENDURANCE

(beats tirelessly all your life long)(beats tirelessly all your life long)6.6. Cardiac muscle is STRONGCardiac muscle is STRONG

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Review of Muscle Types

Now to your Workbook

Now to your Workbook

• Complete all unfinished sections from pages 133 to 136 in your workbook.

Now to your Workbook

• Complete all unfinished sections from pages 133 to 136 in your workbook.

• Hopefully, you can complete most of it from memory, but…

Now to your Workbook

• Complete all unfinished sections from pages 133 to 136 in your workbook.

• Hopefully, you can complete most of it from memory, but…

• You can get, and use, your numbered textbook from the front of the class, but….

Now to your Workbook

• Complete all unfinished sections from pages 133 to 136 in your workbook.

• Hopefully, you can complete most of it from memory, but…

• You can get, and use, your numbered textbook from the front of the class, but….

• You must work at your desk, with your assigned partner, and not change seats.