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Freediving is an activity in which a person dives, sometimes to great depth, without the use of scuba gear. The diver must hold his or her breath for the duration of the dive. (The record depth, with no equipment such as diving fins, is 101 m; the official record time is over 11 minutes.) Historically, freediving has been used by pearl divers and sponge divers. Some freedivers hyperventilate (breathe rapidly and deeply) before diving. Hyperventilation can change the concentration of CO2 in the blood and may increase the length of time that a person feels like he/she can hold his/her breath.How does hyperventilation affect blood pH?
1. It increases CO2 and decreases H in the blood, increasing pH.
2. It increases CO2 and H in the blood, decreasing pH.
3. It decreases CO2 and H in the blood, increasing pH.
4. It decreases CO2 and increases H in the blood, decreasing pH.
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect? 1. The flow of blood into t
Numerous receptors have intrinsic or tightly related enzyme activity. On the required of ligand to their extracellular face like receptors undergo a conformational change and acti
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Rheumatic Fever and Rheumatic Heart Diseases Rheumatic fever is an inflammatory disease of the heart potentially involving all layers of the heart. The resulting damage to t
Chloroplasts is the disk-like organelles with the double membrane found in eukaryotic plant cells; contain thylakoids and are the site of the photosynthesis. ATP is produced durin
which was the first harmone discovered#
Bacteria never have a nucleus but some members of the domain Archaea are known to contain a true nucleus.
Name two ways in which the chances of hypothermia can be reduced during outdoor activities. Eating well before going out and wearing warm, wind-proof clothing can reduces the c
Q. What are the cells responsible for the production of antibodies? The cells that produce antibodies that is the cells of the humoral immune system are the B lymphocytes (B ce
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