Ejaculation occurs ________
A) as semen is propelled from the male duct system
B) as the penis fills with blood
C) following climax or orgasm
Answer: A
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The stomach needs the celiac artery blood supply in order to receive blood.
Answer the following statement true (T) or false (F)
The sodium-potassium (Na+-K+) pump transports both sodium and potassium ________ their concentration gradients in a process called ________
A) down; countertransport B) up; active transport C) up; cotransport D) down; active transport E) up; facilitated transport
What part of the brain sets the basic respiratory rhythm?
A. Limbic system B. Pons C. Hypothalamus D. Medulla oblongata E. Cerebral cortex
Match the organelle with its function.
1. The "powerhouse" of the cell, ATP is produced here. 2. These degrade long chain fatty acids and toxic foreign molecules. 3. It is the digestive system of a cell, degrading and/or recycling bacterial or organic components. 4. It modifies proteins and packages them into secretory vesicles for export from the cell. A. endoplasmic reticulum B. Golgi apparatus C. lysosomes D. mitochondria E. peroxisomes