Lecture 7 - Unit #5 Unit Circulatory System Intro & Blood

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Unit #5 Unit #5 Circulatory System Circulatory System Intro & Blood Intro & Blood
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Circulatory System Intro Circulatory System Intro The circulatory system is made up of: 1. Cardiovascular system Heart Blood Vessels Blood 2. Lymphatic system Vessels Lymphatic Fluid Fig. 21.1 Fig. 19.1
Background image of page 2
The Cardiovascular System The Cardiovascular System Because humans are large multi-cellular organisms a system is needed to distribute critical cargo (gases, nutrients) throughout the body From external environment to the tissues, between tissues and from the tissues to the external environment This is accomplished by the heart, blood vessels and blood
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is Blood? What is Blood? Blood is a specialized connective tissue Contains: 1. Ground substance (fluid) plasma 1. Formed elements cells of the blood Withdraw blood and place in tube. Plasma 55% of whole blood Least dense component Buffy coat Leukocytes and platelets <1% of whole blood Erythrocytes 45% of whole blood Most dense component Centrifuge the blood sample.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/28/2011 for the course BIOL 301 taught by Professor Pickard during the Spring '09 term at Waterloo.

Page1 / 14

Lecture 7 - Unit #5 Unit Circulatory System Intro & Blood

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online