The Human Body Part 3 Circulatory & Respiratory Systems

The Circulatory and Respiratory Systems

Multiple Choice

What do the wrinkles in your brain do for you?

• Keep the brain from drying out

• Form Distinct Separations between parts of the brain

• Nothing, they just look nice

• Increase the surface area so you can have more room for nerves

Multiple Choice

What structure is red in this picture?

• Cerebrum

• Cerebellum

• Brain Stem

Multiple Choice

Which system is responsible for making blood cells?

• Nervous System

• Skeletal System

• Muscle System

• Circulatory System

Multiple Choice

What is the largest part of the brain?

• Cerebrum

• Cerebellum

• Thalymus

• Brainstem

Multiple Choice

What is the function of the nervous system?

• to control and coordinate body functions and systems.

• to protect the body from harm.

• to identify pain and begin healing.

• to break down food.

Multiple Choice

True or False: Your right hemisphere of your brain controls the left side of your body.

• True

• False

Multiple Select

Select all of the organs of the nervous system:

• Brain

• Heart

• Spinal Cord

• Nerves

• Stomach

Lesson Objectives

• Describe what the Circulatory System does

• Know the parts of the circulatory system and how they work together

• Know the parts of the respiratory system and how they transport air

What does the circulatory system do?

• Every organ in your body needs both oxygen and nutrients to survive

• The Circulatory system: The collection of organs that delivers oxygen, nutrients, immune cells, and hormones throughout the body and takes waste away

  • Hormones: Chemicals in your body that start important chemical reactions in cells

What are the parts of the Circulatory System

• Your Circulatory system consists of three parts

  • Heart

  • Blood Vessels

  • Blood

The Heart

• Heart: A muscular pump that drives blood around the body

  • Is about the size of your clenched fist

• Has four chambers

  • Right Atrium and Right Ventricle

  • Left Atrium and Left Ventricle

• The Right side of the heart sends blood to the lungs to get oxygen

• The Left Side of the heart takes blood from the lungs and sends it to the rest of the body

What happens when the heart Pumps

• Your heart pumping is an involuntary movement

• Every heartbeat begins in the atria and pushes blood down into the ventricles

• Once the ventricles fill up, they push blood out to its final location

  • Valves open and shut to keep blood moving in one direction and produces the "Lub-dubb" sound

    • Lub: closing of the atria

    • Dubb: Closing of the ventricles

Multiple Select

Select All the parts of the Circulatory System

• Lungs

• Heart

• Blood

• Blood Vessels

• Brain

Drag and Drop

The heart has ​

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chambers that blood flows through. The ​

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chambers take in blood without oxygen and send it to the lungs, while the ​

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chambers send oxygenated blood to the rest of the body.

Drag these tiles and drop them in the correct blank above

four

right

left

two

three

top

bottom

Multiple Choice

Why does blood only flow in one direction?

• Gravity always pulls blood downwards

• The brain sends signals to every blood cell to tell them where to go

• The Valves of the heart close when full

• Because Harry Stiles Said so

• Because Everything in your body only goes in one direction

Parts of Blood-Plasma

• Blood is made up of four parts

• Plasma: A liquid that contains water, protein, hormones, nutrients, and wastes

  • About 55% of blood

  • carries blood throughout the body

Red Blood Cells

• Most people have a flat donut shape

• Transport oxygen to the body tissues

  • Contain the protein Hemoglobin that binds to oxygen

White Blood Cells

• Are part of the Immune System

• Fight/eat foreign bacteria

• Different types do different things

Platelets

• Small cells that form clots at wounds

  • Help prevent blood loss

What are Blood Vessels?

• Blood Vessels: tubes that carry blood throughout the body

  • Three main types

    • Arteries: Carry Blood Away from the heart to organs

    • Veins: Carry Blood to the Heart

    • Capillaries: Thin-walled Vessels where molecules travel from the blood to body tissues through diffusion

      • Are only a single cell thick

• Blood Travels throughout the body in about one minute

Multiple Choice

What is the main role of White Blood Cells

• To carry DNA through out the Body for repairs

• To carry Oxygen throughout the Body

• To Form Clots

• To protect the body from foreign invaders

Dropdown

The protein ​​

Select answer

carries oxygen through the blood on ​ ​

Select answer

Multiple Choice

This component of blood is responsible for clotting

• Red blood cells

• White Blood cells

• Platelets

• Plasma

The Respiratory System

• Takes in Oxygen and gets rid of Carbon Dioxide

Parts of The Respiratory System

• Nose and Mouth: Entrance point for oxygen, the exit point for Carbon Dioxide

  • The nose contains hairs to trap dust and other particles

• Pharynx: Connection between the nose and the rest of the throat

Parts of The Respiratory System

• Larynx: Your Voice Box, where air and vocal cords produce sound

Parts of The Respiratory System

• Trachea: "The wind Pipe", a tube in the throat that has stiff rings to keep it open

• Leads to the lungs

Parts of The Respiratory System

• Bronchi: Tubes that split off of the trachea, and continue to branch off into smaller branches

• Alveoli: Small Sacs at the end of the Bronchi where Gas exchange occurs

  • Oxygen enters the blood and Carbon Dioxide leaves the blood.

Parts of The Respiratory System

• Diaphragm: A muscle at the bottom of your rib cage

  • Contracts and relaxes to allow more air into the lungs

    • Changes the pressure in the body to allow more air to flow

  • When irritated, it spasms and causes hiccups

Multiple Choice

Which part of your respiratory system contains your vocal cords

• Trachea

• Larynx

• Pharynx

• Alveoli

Hotspot

Where does Gas Exchange occur in the body?

Drag and Drop

When the ​

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is ​

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it has spasms that cause you to hiccup.

Drag these tiles and drop them in the correct blank above

diaphragm

irritated

trachea

bronchi

larynx

relaxed

contracted

Multiple Choice

What do the hairs in your nose do?

• Trap particles that don't belong in your body

• Absorb Oxygen that directly travels to your brain

• Pull in more air when you are stressed

• Provide more surface area for blood flow