Transport and Excretion

Name: Transport and Excretion
Author: StemPy Lab

Blood carries food and oxygen to every cell, and plants move water up to their highest leaves. Learn how the heart, the blood vessels, the xylem and the phloem do it, and how kidneys and plants remove wastes.

3 lessons, about 1 h 40 min3 simulations11 problems6 practice questionsPython in every lesson

Created by StemPy Lab

Course outline (3 lessons)

Lesson 1about 35 min
The heart and double circulation
The heart has four chambers. The right side pumps blood with little oxygen to the lungs, and the left side pumps oxygen-rich blood to the body. The blood passes through the heart twice in each round, which is double circulation. Arteries, veins and capillaries carry it, and blood pressure is measured with a sphygmomanometer.
1 simulation2 practice questions1 Python program4 problems1 Python lab
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Lesson 2about 30 min
Blood, lymph and transport in plants
Blood is plasma with red cells, white cells and platelets. Lymph forms from fluid that leaks out of the capillaries, carries absorbed fat and drains into the veins. In plants, the xylem carries water and minerals up, by root pressure and the transpiration pull, and the phloem carries food up or down, using energy.
1 simulation2 practice questions1 Python program4 problems
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Lesson 3about 35 min
Excretion in humans and plants
Excretion removes harmful nitrogenous wastes such as urea. In each nephron of the kidney, the glomerulus filters the blood into Bowman's capsule, and the tubule takes back glucose, amino acids, salts and much water. An artificial kidney cleans the blood by dialysis. Plants lose wastes by diffusion, store them, or drop them with old leaves.
1 simulation2 practice questions1 Python program3 problems1 Python lab1 question set1 note
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More onLife Processes › Transport in Living Organisms Life Processes › Excretion Human Body › Excretory System Human Body › Circulatory System

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Transport and Excretion

Course outline (3 lessons)

The heart and double circulation

Blood, lymph and transport in plants

Excretion in humans and plants

Test Your Learning

Your teacher

Discussion (0)