2.1 Transport in the human body system

2.1 Transport in the human body system

homework:

How does it feel to have your heart broken? What parts of your body are affected? Can a person die from a broken heart?

Transport system of the body

• permits blood and lymph circulation to transport

• nutrients, oxygen, hormones to the cells

• metabollites (waste product) and CO₂ conveyed to places where they are expelled

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Blood circulatory systema Circulatory jam video

https://studyjams-assets.scholastic.com/jams/videos/circulatory-system.mp4

Fill in the Blanks

Structure of the blood vessel walls

Tunica interna (intima)-simple squamous epitelium that reduces frictions between vessels and blood

Tunica media-smmoth muscle cells that contains elastins which controls dilation/constriction of the vessel

Tunica externa (adventitia)- contains collagen fibers that protects or reinforces and anchors the vessels to the surrounding structure

*all vessels except the smallest consist 3 layers

Multiple Choice

Which of the following contains simple scquamous epithelial cells?

• Tunica intima

• Tunica media

• Tunica externa

Multiple Choice

Which of these is made up of smooth muscle, elastic fibers and collagen?

• Tunica intima

• Tunica media

• Tunica externa

Multiple Choice

Which part of the vessel anchors/merges with the connective tissues or neighborig organs?

• Tunica intima

• Tunica media

• Tunica externa

3 kinds of Circulation

Systemic Circulation

Coronary circulation

Pulmonary Circulation

1. Systemic Circulation

The largest part of the circulatory system in which oxygen-rich blood flows to all organs and body tissues, except the heart, and lungs.

2. Coronary Circulation

 Movement of blood through the tissues of the heart (cardiac muscle only). 

-part of systemic c.s

Arterial supply:

1. Left coronary artery

2. Right Coronary artery

2. 2 Cardiovascular system

3. Pulmonary Circulation-movement blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide

Multiple Choice

What is the name of the structure number 3?

• Aorta

• pulmonary vein

• superior vena cava

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